Finding the Fourth Proportional to 72,014.22, 99,385.20 and 39,755.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,014.22 : 99,385.20 = 39,755.16 : x
2. Step 2: Convert to fraction form
   72,014.22/99,385.20 = 39,755.16/x
3. Step 3: Cross multiply
   72,014.22x = 99,385.20 × 39,755.16
4. Step 4: Simplify right side
   72,014.22x = 3,951,074,527.63
5. Step 5: Solve for x
   x = 3,951,074,527.63/72,014.22
6. Step 6: Final answer
   x = 54,865.20