Finding the Fourth Proportional to 12,335.02, 17,002.32 and 9,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,335.02 : 17,002.32 = 9,641.50 : x
2. Step 2: Convert to fraction form
   12,335.02/17,002.32 = 9,641.50/x
3. Step 3: Cross multiply
   12,335.02x = 17,002.32 × 9,641.50
4. Step 4: Simplify right side
   12,335.02x = 163,927,868.28
5. Step 5: Solve for x
   x = 163,927,868.28/12,335.02
6. Step 6: Final answer
   x = 13,289.63