Finding the Fourth Proportional to 258,756,145,106.77, 388,142,124,850.80 and 88,773,349,747.97

Step by Step Solution

1. Step 1: Write the proportion equation
   258,756,145,106.77 : 388,142,124,850.80 = 88,773,349,747.97 : x
2. Step 2: Convert to fraction form
   258,756,145,106.77/388,142,124,850.80 = 88,773,349,747.97/x
3. Step 3: Cross multiply
   258,756,145,106.77x = 388,142,124,850.80 × 88,773,349,747.97
4. Step 4: Simplify right side
   258,756,145,106.77x = 34,456,676,601,300,307,148,800
5. Step 5: Solve for x
   x = 34,456,676,601,300,307,148,800/258,756,145,106.77
6. Step 6: Final answer
   x = 133,162,737,399.27