Finding the Fourth Proportional to 123,492.32, 170,422.62 and 75,718.16

Step by Step Solution

1. Step 1: Write the proportion equation
   123,492.32 : 170,422.62 = 75,718.16 : x
2. Step 2: Convert to fraction form
   123,492.32/170,422.62 = 75,718.16/x
3. Step 3: Cross multiply
   123,492.32x = 170,422.62 × 75,718.16
4. Step 4: Simplify right side
   123,492.32x = 12,904,087,208.78
5. Step 5: Solve for x
   x = 12,904,087,208.78/123,492.32
6. Step 6: Final answer
   x = 104,493.03