Finding the Fourth Proportional to 52,519.57, 72,488.24 and 31,001.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,519.57 : 72,488.24 = 31,001.31 : x
2. Step 2: Convert to fraction form
   52,519.57/72,488.24 = 31,001.31/x
3. Step 3: Cross multiply
   52,519.57x = 72,488.24 × 31,001.31
4. Step 4: Simplify right side
   52,519.57x = 2,247,230,399.59
5. Step 5: Solve for x
   x = 2,247,230,399.59/52,519.57
6. Step 6: Final answer
   x = 42,788.44