Finding the Fourth Proportional to 123,993.72, 185,887.08 and 57,481.38

Step by Step Solution

1. Step 1: Write the proportion equation
   123,993.72 : 185,887.08 = 57,481.38 : x
2. Step 2: Convert to fraction form
   123,993.72/185,887.08 = 57,481.38/x
3. Step 3: Cross multiply
   123,993.72x = 185,887.08 × 57,481.38
4. Step 4: Simplify right side
   123,993.72x = 10,685,045,882.57
5. Step 5: Solve for x
   x = 10,685,045,882.57/123,993.72
6. Step 6: Final answer
   x = 86,174.09