Finding the Fourth Proportional to 90,314.24, 135,517.84 and 42,982.96

Step by Step Solution

1. Step 1: Write the proportion equation
   90,314.24 : 135,517.84 = 42,982.96 : x
2. Step 2: Convert to fraction form
   90,314.24/135,517.84 = 42,982.96/x
3. Step 3: Cross multiply
   90,314.24x = 135,517.84 × 42,982.96
4. Step 4: Simplify right side
   90,314.24x = 5,824,957,896.01
5. Step 5: Solve for x
   x = 5,824,957,896.01/90,314.24
6. Step 6: Final answer
   x = 64,496.56