Finding the Fourth Proportional to 462,820,826.28, 638,711,154.72 and 253,984,442.52

Step by Step Solution

1. Step 1: Write the proportion equation
   462,820,826.28 : 638,711,154.72 = 253,984,442.52 : x
2. Step 2: Convert to fraction form
   462,820,826.28/638,711,154.72 = 253,984,442.52/x
3. Step 3: Cross multiply
   462,820,826.28x = 638,711,154.72 × 253,984,442.52
4. Step 4: Simplify right side
   462,820,826.28x = 162,222,696,562,864,672
5. Step 5: Solve for x
   x = 162,222,696,562,864,672/462,820,826.28
6. Step 6: Final answer
   x = 350,508,636.07