Finding the Fourth Proportional to 6,430.86, 8,874.72 and 3,598.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,430.86 : 8,874.72 = 3,598.29 : x
2. Step 2: Convert to fraction form
   6,430.86/8,874.72 = 3,598.29/x
3. Step 3: Cross multiply
   6,430.86x = 8,874.72 × 3,598.29
4. Step 4: Simplify right side
   6,430.86x = 31,933,816.23
5. Step 5: Solve for x
   x = 31,933,816.23/6,430.86
6. Step 6: Final answer
   x = 4,965.71