Finding the Fourth Proportional to 123,492.32, 170,427.24 and 75,739.16

Step by Step Solution

1. Step 1: Write the proportion equation
   123,492.32 : 170,427.24 = 75,739.16 : x
2. Step 2: Convert to fraction form
   123,492.32/170,427.24 = 75,739.16/x
3. Step 3: Cross multiply
   123,492.32x = 170,427.24 × 75,739.16
4. Step 4: Simplify right side
   123,492.32x = 12,908,015,998.72
5. Step 5: Solve for x
   x = 12,908,015,998.72/123,492.32
6. Step 6: Final answer
   x = 104,524.85