Finding the Fourth Proportional to 2,120,145,227.12, 3,181,670,519.52 and 739,959,734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,145,227.12 : 3,181,670,519.52 = 739,959,734.72 : x
2. Step 2: Convert to fraction form
   2,120,145,227.12/3,181,670,519.52 = 739,959,734.72/x
3. Step 3: Cross multiply
   2,120,145,227.12x = 3,181,670,519.52 × 739,959,734.72
4. Step 4: Simplify right side
   2,120,145,227.12x = 2,354,308,073,590,464,000
5. Step 5: Solve for x
   x = 2,354,308,073,590,464,000/2,120,145,227.12
6. Step 6: Final answer
   x = 1,110,446,606.90