Finding the Fourth Proportional to 2,120,145,225.12, 3,181,670,516.52 and 739,959,732.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,145,225.12 : 3,181,670,516.52 = 739,959,732.72 : x
2. Step 2: Convert to fraction form
   2,120,145,225.12/3,181,670,516.52 = 739,959,732.72/x
3. Step 3: Cross multiply
   2,120,145,225.12x = 3,181,670,516.52 × 739,959,732.72
4. Step 4: Simplify right side
   2,120,145,225.12x = 2,354,308,065,007,243,776
5. Step 5: Solve for x
   x = 2,354,308,065,007,243,776/2,120,145,225.12
6. Step 6: Final answer
   x = 1,110,446,603.90