Finding the Fourth Proportional to 40,656.69, 56,107.98 and 25,137.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,656.69 : 56,107.98 = 25,137.72 : x
2. Step 2: Convert to fraction form
   40,656.69/56,107.98 = 25,137.72/x
3. Step 3: Cross multiply
   40,656.69x = 56,107.98 × 25,137.72
4. Step 4: Simplify right side
   40,656.69x = 1,410,426,691.01
5. Step 5: Solve for x
   x = 1,410,426,691.01/40,656.69
6. Step 6: Final answer
   x = 34,691.13