Finding the Fourth Proportional to 52,601.12, 72,598.92 and 31,090

Step by Step Solution

1. Step 1: Write the proportion equation
   52,601.12 : 72,598.92 = 31,090 : x
2. Step 2: Convert to fraction form
   52,601.12/72,598.92 = 31,090/x
3. Step 3: Cross multiply
   52,601.12x = 72,598.92 × 31,090
4. Step 4: Simplify right side
   52,601.12x = 2,257,100,422.80
5. Step 5: Solve for x
   x = 2,257,100,422.80/52,601.12
6. Step 6: Final answer
   x = 42,909.74