Finding the Fourth Proportional to 124,673.34, 187,026.16 and 57,189.12

Step by Step Solution

1. Step 1: Write the proportion equation
   124,673.34 : 187,026.16 = 57,189.12 : x
2. Step 2: Convert to fraction form
   124,673.34/187,026.16 = 57,189.12/x
3. Step 3: Cross multiply
   124,673.34x = 187,026.16 × 57,189.12
4. Step 4: Simplify right side
   124,673.34x = 10,695,861,507.38
5. Step 5: Solve for x
   x = 10,695,861,507.38/124,673.34
6. Step 6: Final answer
   x = 85,791.09