Finding the Fourth Proportional to 124,752.30, 172,168.38 and 71,054.16

Step by Step Solution

1. Step 1: Write the proportion equation
   124,752.30 : 172,168.38 = 71,054.16 : x
2. Step 2: Convert to fraction form
   124,752.30/172,168.38 = 71,054.16/x
3. Step 3: Cross multiply
   124,752.30x = 172,168.38 × 71,054.16
4. Step 4: Simplify right side
   124,752.30x = 12,233,279,619.46
5. Step 5: Solve for x
   x = 12,233,279,619.46/124,752.30
6. Step 6: Final answer
   x = 98,060.55