Finding the Fourth Proportional to 40,573.98, 55,912.28 and 31,024.62

Step by Step Solution

1. Step 1: Write the proportion equation
   40,573.98 : 55,912.28 = 31,024.62 : x
2. Step 2: Convert to fraction form
   40,573.98/55,912.28 = 31,024.62/x
3. Step 3: Cross multiply
   40,573.98x = 55,912.28 × 31,024.62
4. Step 4: Simplify right side
   40,573.98x = 1,734,657,085.21
5. Step 5: Solve for x
   x = 1,734,657,085.21/40,573.98
6. Step 6: Final answer
   x = 42,752.94