Finding the Fourth Proportional to 72,659.30, 108,568.18 and 55,699.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,659.30 : 108,568.18 = 55,699.52 : x
2. Step 2: Convert to fraction form
   72,659.30/108,568.18 = 55,699.52/x
3. Step 3: Cross multiply
   72,659.30x = 108,568.18 × 55,699.52
4. Step 4: Simplify right side
   72,659.30x = 6,047,195,040.06
5. Step 5: Solve for x
   x = 6,047,195,040.06/72,659.30
6. Step 6: Final answer
   x = 83,226.72