Finding the Fourth Proportional to 123,139.89, 184,442.53 and 75,610.71

Step by Step Solution

1. Step 1: Write the proportion equation
   123,139.89 : 184,442.53 = 75,610.71 : x
2. Step 2: Convert to fraction form
   123,139.89/184,442.53 = 75,610.71/x
3. Step 3: Cross multiply
   123,139.89x = 184,442.53 × 75,610.71
4. Step 4: Simplify right side
   123,139.89x = 13,945,830,458.47
5. Step 5: Solve for x
   x = 13,945,830,458.47/123,139.89
6. Step 6: Final answer
   x = 113,251.93