Finding the Fourth Proportional to 9,598.48, 13,245.72 and 5,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,598.48 : 13,245.72 = 5,406.72 : x
2. Step 2: Convert to fraction form
   9,598.48/13,245.72 = 5,406.72/x
3. Step 3: Cross multiply
   9,598.48x = 13,245.72 × 5,406.72
4. Step 4: Simplify right side
   9,598.48x = 71,615,899.24
5. Step 5: Solve for x
   x = 71,615,899.24/9,598.48
6. Step 6: Final answer
   x = 7,461.17