Finding the Fourth Proportional to 220,499,909.96, 330,799,693.84 and 72,947,123.82

Step by Step Solution

1. Step 1: Write the proportion equation
   220,499,909.96 : 330,799,693.84 = 72,947,123.82 : x
2. Step 2: Convert to fraction form
   220,499,909.96/330,799,693.84 = 72,947,123.82/x
3. Step 3: Cross multiply
   220,499,909.96x = 330,799,693.84 × 72,947,123.82
4. Step 4: Simplify right side
   220,499,909.96x = 24,130,886,226,164,568
5. Step 5: Solve for x
   x = 24,130,886,226,164,568/220,499,909.96
6. Step 6: Final answer
   x = 109,437,170.43