Finding the Fourth Proportional to 9,573.12, 13,124.70 and 9,398.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,573.12 : 13,124.70 = 9,398.16 : x
2. Step 2: Convert to fraction form
   9,573.12/13,124.70 = 9,398.16/x
3. Step 3: Cross multiply
   9,573.12x = 13,124.70 × 9,398.16
4. Step 4: Simplify right side
   9,573.12x = 123,348,030.55
5. Step 5: Solve for x
   x = 123,348,030.55/9,573.12
6. Step 6: Final answer
   x = 12,884.83