Finding the Fourth Proportional to 40,530.26, 55,932.69 and 25,423.55

Step by Step Solution

1. Step 1: Write the proportion equation
   40,530.26 : 55,932.69 = 25,423.55 : x
2. Step 2: Convert to fraction form
   40,530.26/55,932.69 = 25,423.55/x
3. Step 3: Cross multiply
   40,530.26x = 55,932.69 × 25,423.55
4. Step 4: Simplify right side
   40,530.26x = 1,422,007,880.89
5. Step 5: Solve for x
   x = 1,422,007,880.89/40,530.26
6. Step 6: Final answer
   x = 35,085.09