Finding the Fourth Proportional to 288,789,151.34, 398,538,050.15 and 163,338,892.46

Step by Step Solution

1. Step 1: Write the proportion equation
   288,789,151.34 : 398,538,050.15 = 163,338,892.46 : x
2. Step 2: Convert to fraction form
   288,789,151.34/398,538,050.15 = 163,338,892.46/x
3. Step 3: Cross multiply
   288,789,151.34x = 398,538,050.15 × 163,338,892.46
4. Step 4: Simplify right side
   288,789,151.34x = 65,096,763,711,859,552
5. Step 5: Solve for x
   x = 65,096,763,711,859,552/288,789,151.34
6. Step 6: Final answer
   x = 225,412,774.03