Finding the Fourth Proportional to 124,002.52, 185,997.12 and 72,739.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,002.52 : 185,997.12 = 72,739.72 : x
2. Step 2: Convert to fraction form
   124,002.52/185,997.12 = 72,739.72/x
3. Step 3: Cross multiply
   124,002.52x = 185,997.12 × 72,739.72
4. Step 4: Simplify right side
   124,002.52x = 13,529,378,429.61
5. Step 5: Solve for x
   x = 13,529,378,429.61/124,002.52
6. Step 6: Final answer
   x = 109,105.67