Finding the Fourth Proportional to 40,685.28, 56,143.98 and 23,689.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,685.28 : 56,143.98 = 23,689.98 : x
2. Step 2: Convert to fraction form
   40,685.28/56,143.98 = 23,689.98/x
3. Step 3: Cross multiply
   40,685.28x = 56,143.98 × 23,689.98
4. Step 4: Simplify right side
   40,685.28x = 1,330,049,763.32
5. Step 5: Solve for x
   x = 1,330,049,763.32/40,685.28
6. Step 6: Final answer
   x = 32,691.18