Finding the Fourth Proportional to 124,749.41, 172,155.82 and 71,034.63

Step by Step Solution

1. Step 1: Write the proportion equation
   124,749.41 : 172,155.82 = 71,034.63 : x
2. Step 2: Convert to fraction form
   124,749.41/172,155.82 = 71,034.63/x
3. Step 3: Cross multiply
   124,749.41x = 172,155.82 × 71,034.63
4. Step 4: Simplify right side
   124,749.41x = 12,229,025,938.42
5. Step 5: Solve for x
   x = 12,229,025,938.42/124,749.41
6. Step 6: Final answer
   x = 98,028.73