Finding the Fourth Proportional to 6,002.25, 8,279.43 and 3,985.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,002.25 : 8,279.43 = 3,985.76 : x
2. Step 2: Convert to fraction form
   6,002.25/8,279.43 = 3,985.76/x
3. Step 3: Cross multiply
   6,002.25x = 8,279.43 × 3,985.76
4. Step 4: Simplify right side
   6,002.25x = 32,999,779.52
5. Step 5: Solve for x
   x = 32,999,779.52/6,002.25
6. Step 6: Final answer
   x = 5,497.90