Finding the Fourth Proportional to 123,702.56, 185,239.82 and 103,659.38

Step by Step Solution

1. Step 1: Write the proportion equation
   123,702.56 : 185,239.82 = 103,659.38 : x
2. Step 2: Convert to fraction form
   123,702.56/185,239.82 = 103,659.38/x
3. Step 3: Cross multiply
   123,702.56x = 185,239.82 × 103,659.38
4. Step 4: Simplify right side
   123,702.56x = 19,201,844,892.51
5. Step 5: Solve for x
   x = 19,201,844,892.51/123,702.56
6. Step 6: Final answer
   x = 155,225.93