Finding the Fourth Proportional to 17,360.78, 23,959.35 and 9,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,360.78 : 23,959.35 = 9,808.50 : x
2. Step 2: Convert to fraction form
   17,360.78/23,959.35 = 9,808.50/x
3. Step 3: Cross multiply
   17,360.78x = 23,959.35 × 9,808.50
4. Step 4: Simplify right side
   17,360.78x = 235,005,140.16
5. Step 5: Solve for x
   x = 235,005,140.16/17,360.78
6. Step 6: Final answer
   x = 13,536.56