Finding the Fourth Proportional to 124,925.28, 172,393.83 and 76,546.02

Step by Step Solution

1. Step 1: Write the proportion equation
   124,925.28 : 172,393.83 = 76,546.02 : x
2. Step 2: Convert to fraction form
   124,925.28/172,393.83 = 76,546.02/x
3. Step 3: Cross multiply
   124,925.28x = 172,393.83 × 76,546.02
4. Step 4: Simplify right side
   124,925.28x = 13,196,061,559.06
5. Step 5: Solve for x
   x = 13,196,061,559.06/124,925.28
6. Step 6: Final answer
   x = 105,631.63