Finding the Fourth Proportional to 40,298.55, 55,612.26 and 25,200.05

Step by Step Solution

1. Step 1: Write the proportion equation
   40,298.55 : 55,612.26 = 25,200.05 : x
2. Step 2: Convert to fraction form
   40,298.55/55,612.26 = 25,200.05/x
3. Step 3: Cross multiply
   40,298.55x = 55,612.26 × 25,200.05
4. Step 4: Simplify right side
   40,298.55x = 1,401,431,454.55
5. Step 5: Solve for x
   x = 1,401,431,454.55/40,298.55
6. Step 6: Final answer
   x = 34,776.23