Finding the Fourth Proportional to 123,844.61, 170,949.17 and 73,543.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,844.61 : 170,949.17 = 73,543.25 : x
2. Step 2: Convert to fraction form
   123,844.61/170,949.17 = 73,543.25/x
3. Step 3: Cross multiply
   123,844.61x = 170,949.17 × 73,543.25
4. Step 4: Simplify right side
   123,844.61x = 12,572,157,178.89
5. Step 5: Solve for x
   x = 12,572,157,178.89/123,844.61
6. Step 6: Final answer
   x = 101,515.58