Finding the Fourth Proportional to 6,430.72, 8,874.50 and 3,598.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,430.72 : 8,874.50 = 3,598.12 : x
2. Step 2: Convert to fraction form
   6,430.72/8,874.50 = 3,598.12/x
3. Step 3: Cross multiply
   6,430.72x = 8,874.50 × 3,598.12
4. Step 4: Simplify right side
   6,430.72x = 31,931,515.94
5. Step 5: Solve for x
   x = 31,931,515.94/6,430.72
6. Step 6: Final answer
   x = 4,965.47