Finding the Fourth Proportional to 9,606.56, 13,254.72 and 5,414.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,606.56 : 13,254.72 = 5,414.80 : x
2. Step 2: Convert to fraction form
   9,606.56/13,254.72 = 5,414.80/x
3. Step 3: Cross multiply
   9,606.56x = 13,254.72 × 5,414.80
4. Step 4: Simplify right side
   9,606.56x = 71,771,657.86
5. Step 5: Solve for x
   x = 71,771,657.86/9,606.56
6. Step 6: Final answer
   x = 7,471.11