Finding the Fourth Proportional to 6,384.30, 8,810.31 and 3,731.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,384.30 : 8,810.31 = 3,731.18 : x
2. Step 2: Convert to fraction form
   6,384.30/8,810.31 = 3,731.18/x
3. Step 3: Cross multiply
   6,384.30x = 8,810.31 × 3,731.18
4. Step 4: Simplify right side
   6,384.30x = 32,872,808.41
5. Step 5: Solve for x
   x = 32,872,808.41/6,384.30
6. Step 6: Final answer
   x = 5,149.01