Finding the Fourth Proportional to 6,287.17, 8,672.31 and 4,051.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,287.17 : 8,672.31 = 4,051.98 : x
2. Step 2: Convert to fraction form
   6,287.17/8,672.31 = 4,051.98/x
3. Step 3: Cross multiply
   6,287.17x = 8,672.31 × 4,051.98
4. Step 4: Simplify right side
   6,287.17x = 35,140,026.67
5. Step 5: Solve for x
   x = 35,140,026.67/6,287.17
6. Step 6: Final answer
   x = 5,589.16