Finding the Fourth Proportional to 258,756,145,106.43, 388,142,124,850.32 and 88,773,349,747.67

Step by Step Solution

1. Step 1: Write the proportion equation
   258,756,145,106.43 : 388,142,124,850.32 = 88,773,349,747.67 : x
2. Step 2: Convert to fraction form
   258,756,145,106.43/388,142,124,850.32 = 88,773,349,747.67/x
3. Step 3: Cross multiply
   258,756,145,106.43x = 388,142,124,850.32 × 88,773,349,747.67
4. Step 4: Simplify right side
   258,756,145,106.43x = 34,456,676,601,139,308,789,760
5. Step 5: Solve for x
   x = 34,456,676,601,139,308,789,760/258,756,145,106.43
6. Step 6: Final answer
   x = 133,162,737,398.82