Finding the Fourth Proportional to 250,142.59, 375,118.17 and 123,739.39

Step by Step Solution

1. Step 1: Write the proportion equation
   250,142.59 : 375,118.17 = 123,739.39 : x
2. Step 2: Convert to fraction form
   250,142.59/375,118.17 = 123,739.39/x
3. Step 3: Cross multiply
   250,142.59x = 375,118.17 × 123,739.39
4. Step 4: Simplify right side
   250,142.59x = 46,416,893,533.72
5. Step 5: Solve for x
   x = 46,416,893,533.72/250,142.59
6. Step 6: Final answer
   x = 185,561.74