Finding the Fourth Proportional to 72,244,474.66, 99,699,592.96 and 42,469,662.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,244,474.66 : 99,699,592.96 = 42,469,662.28 : x
2. Step 2: Convert to fraction form
   72,244,474.66/99,699,592.96 = 42,469,662.28/x
3. Step 3: Cross multiply
   72,244,474.66x = 99,699,592.96 × 42,469,662.28
4. Step 4: Simplify right side
   72,244,474.66x = 4,234,208,042,464,665.50
5. Step 5: Solve for x
   x = 4,234,208,042,464,665.50/72,244,474.66
6. Step 6: Final answer
   x = 58,609,437.78