Finding the Fourth Proportional to 72,266,665.04, 99,728,093.48 and 39,226,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,266,665.04 : 99,728,093.48 = 39,226,892.72 : x
2. Step 2: Convert to fraction form
   72,266,665.04/99,728,093.48 = 39,226,892.72/x
3. Step 3: Cross multiply
   72,266,665.04x = 99,728,093.48 × 39,226,892.72
4. Step 4: Simplify right side
   72,266,665.04x = 3,912,023,224,110,091.50
5. Step 5: Solve for x
   x = 3,912,023,224,110,091.50/72,266,665.04
6. Step 6: Final answer
   x = 54,133,163.91