Finding the Fourth Proportional to 5,546.96, 8,312.72 and 4,308.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,546.96 : 8,312.72 = 4,308.72 : x
2. Step 2: Convert to fraction form
   5,546.96/8,312.72 = 4,308.72/x
3. Step 3: Cross multiply
   5,546.96x = 8,312.72 × 4,308.72
4. Step 4: Simplify right side
   5,546.96x = 35,817,182.92
5. Step 5: Solve for x
   x = 35,817,182.92/5,546.96
6. Step 6: Final answer
   x = 6,457.08