Finding the Fourth Proportional to 52,423.20, 72,332.72 and 31,198.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,423.20 : 72,332.72 = 31,198.32 : x
2. Step 2: Convert to fraction form
   52,423.20/72,332.72 = 31,198.32/x
3. Step 3: Cross multiply
   52,423.20x = 72,332.72 × 31,198.32
4. Step 4: Simplify right side
   52,423.20x = 2,256,659,345.03
5. Step 5: Solve for x
   x = 2,256,659,345.03/52,423.20
6. Step 6: Final answer
   x = 43,046.96