Finding the Fourth Proportional to 45,131.63, 67,697.52 and 25,399.42

Step by Step Solution

1. Step 1: Write the proportion equation
   45,131.63 : 67,697.52 = 25,399.42 : x
2. Step 2: Convert to fraction form
   45,131.63/67,697.52 = 25,399.42/x
3. Step 3: Cross multiply
   45,131.63x = 67,697.52 × 25,399.42
4. Step 4: Simplify right side
   45,131.63x = 1,719,478,002.62
5. Step 5: Solve for x
   x = 1,719,478,002.62/45,131.63
6. Step 6: Final answer
   x = 38,099.18