Finding the Fourth Proportional to 12,766.31, 17,617.34 and 7,101.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,766.31 : 17,617.34 = 7,101.03 : x
2. Step 2: Convert to fraction form
   12,766.31/17,617.34 = 7,101.03/x
3. Step 3: Cross multiply
   12,766.31x = 17,617.34 × 7,101.03
4. Step 4: Simplify right side
   12,766.31x = 125,101,259.86
5. Step 5: Solve for x
   x = 125,101,259.86/12,766.31
6. Step 6: Final answer
   x = 9,799.33