Finding the Fourth Proportional to 40,912.29, 56,458.59 and 23,007.42

Step by Step Solution

1. Step 1: Write the proportion equation
   40,912.29 : 56,458.59 = 23,007.42 : x
2. Step 2: Convert to fraction form
   40,912.29/56,458.59 = 23,007.42/x
3. Step 3: Cross multiply
   40,912.29x = 56,458.59 × 23,007.42
4. Step 4: Simplify right side
   40,912.29x = 1,298,966,492.74
5. Step 5: Solve for x
   x = 1,298,966,492.74/40,912.29
6. Step 6: Final answer
   x = 31,750.03