Finding the Fourth Proportional to 17,054.61, 23,535.80 and 9,398.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,054.61 : 23,535.80 = 9,398.15 : x
2. Step 2: Convert to fraction form
   17,054.61/23,535.80 = 9,398.15/x
3. Step 3: Cross multiply
   17,054.61x = 23,535.80 × 9,398.15
4. Step 4: Simplify right side
   17,054.61x = 221,192,978.77
5. Step 5: Solve for x
   x = 221,192,978.77/17,054.61
6. Step 6: Final answer
   x = 12,969.69