Finding the Fourth Proportional to 50,352.30, 69,468.87 and 31,225.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,352.30 : 69,468.87 = 31,225.20 : x
2. Step 2: Convert to fraction form
   50,352.30/69,468.87 = 31,225.20/x
3. Step 3: Cross multiply
   50,352.30x = 69,468.87 × 31,225.20
4. Step 4: Simplify right side
   50,352.30x = 2,169,179,359.52
5. Step 5: Solve for x
   x = 2,169,179,359.52/50,352.30
6. Step 6: Final answer
   x = 43,080.05