Finding the Fourth Proportional to 59,445.18, 89,223.24 and 31,386

Step by Step Solution

1. Step 1: Write the proportion equation
   59,445.18 : 89,223.24 = 31,386 : x
2. Step 2: Convert to fraction form
   59,445.18/89,223.24 = 31,386/x
3. Step 3: Cross multiply
   59,445.18x = 89,223.24 × 31,386
4. Step 4: Simplify right side
   59,445.18x = 2,800,360,610.64
5. Step 5: Solve for x
   x = 2,800,360,610.64/59,445.18
6. Step 6: Final answer
   x = 47,108.29