Finding the Fourth Proportional to 5,753.34, 8,631.50 and 2,631.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,753.34 : 8,631.50 = 2,631.86 : x
2. Step 2: Convert to fraction form
   5,753.34/8,631.50 = 2,631.86/x
3. Step 3: Cross multiply
   5,753.34x = 8,631.50 × 2,631.86
4. Step 4: Simplify right side
   5,753.34x = 22,716,843.27
5. Step 5: Solve for x
   x = 22,716,843.27/5,753.34
6. Step 6: Final answer
   x = 3,948.46