Finding the Fourth Proportional to 52,225.50, 72,080.30 and 31,004.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,225.50 : 72,080.30 = 31,004.31 : x
2. Step 2: Convert to fraction form
   52,225.50/72,080.30 = 31,004.31/x
3. Step 3: Cross multiply
   52,225.50x = 72,080.30 × 31,004.31
4. Step 4: Simplify right side
   52,225.50x = 2,234,800,043.60
5. Step 5: Solve for x
   x = 2,234,800,043.60/52,225.50
6. Step 6: Final answer
   x = 42,791.36