Finding the Fourth Proportional to 8,330.96, 12,499.89 and 3,648.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,330.96 : 12,499.89 = 3,648.55 : x
2. Step 2: Convert to fraction form
   8,330.96/12,499.89 = 3,648.55/x
3. Step 3: Cross multiply
   8,330.96x = 12,499.89 × 3,648.55
4. Step 4: Simplify right side
   8,330.96x = 45,606,473.66
5. Step 5: Solve for x
   x = 45,606,473.66/8,330.96
6. Step 6: Final answer
   x = 5,474.34