Finding the Fourth Proportional to 6,407.31, 8,842.10 and 3,754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,407.31 : 8,842.10 = 3,754.72 : x
2. Step 2: Convert to fraction form
   6,407.31/8,842.10 = 3,754.72/x
3. Step 3: Cross multiply
   6,407.31x = 8,842.10 × 3,754.72
4. Step 4: Simplify right side
   6,407.31x = 33,199,658.54
5. Step 5: Solve for x
   x = 33,199,658.54/6,407.31
6. Step 6: Final answer
   x = 5,181.53