Finding the Fourth Proportional to 6,412.32, 8,849.28 and 3,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,412.32 : 8,849.28 = 3,618.72 : x
2. Step 2: Convert to fraction form
   6,412.32/8,849.28 = 3,618.72/x
3. Step 3: Cross multiply
   6,412.32x = 8,849.28 × 3,618.72
4. Step 4: Simplify right side
   6,412.32x = 32,023,066.52
5. Step 5: Solve for x
   x = 32,023,066.52/6,412.32
6. Step 6: Final answer
   x = 4,993.99