Finding the Fourth Proportional to 72,110.00, 99,539.17 and 54,256.91

Step by Step Solution

1. Step 1: Write the proportion equation
   72,110.00 : 99,539.17 = 54,256.91 : x
2. Step 2: Convert to fraction form
   72,110.00/99,539.17 = 54,256.91/x
3. Step 3: Cross multiply
   72,110.00x = 99,539.17 × 54,256.91
4. Step 4: Simplify right side
   72,110.00x = 5,400,687,154.83
5. Step 5: Solve for x
   x = 5,400,687,154.83/72,110.00
6. Step 6: Final answer
   x = 74,895.12