Finding the Fourth Proportional to 16,764.61, 23,139.81 and 9,598.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,764.61 : 23,139.81 = 9,598.54 : x
2. Step 2: Convert to fraction form
   16,764.61/23,139.81 = 9,598.54/x
3. Step 3: Cross multiply
   16,764.61x = 23,139.81 × 9,598.54
4. Step 4: Simplify right side
   16,764.61x = 222,108,391.88
5. Step 5: Solve for x
   x = 222,108,391.88/16,764.61
6. Step 6: Final answer
   x = 13,248.65