Finding the Fourth Proportional to 2,165,468,470.68, 2,988,269,169.98 and 1,225,650,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165,468,470.68 : 2,988,269,169.98 = 1,225,650,934.50 : x
2. Step 2: Convert to fraction form
   2,165,468,470.68/2,988,269,169.98 = 1,225,650,934.50/x
3. Step 3: Cross multiply
   2,165,468,470.68x = 2,988,269,169.98 × 1,225,650,934.50
4. Step 4: Simplify right side
   2,165,468,470.68x = 3,662,574,900,723,526,144
5. Step 5: Solve for x
   x = 3,662,574,900,723,526,144/2,165,468,470.68
6. Step 6: Final answer
   x = 1,691,354,526.89