Finding the Fourth Proportional to 12,403.38, 17,116.86 and 7,101.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,403.38 : 17,116.86 = 7,101.12 : x
2. Step 2: Convert to fraction form
   12,403.38/17,116.86 = 7,101.12/x
3. Step 3: Cross multiply
   12,403.38x = 17,116.86 × 7,101.12
4. Step 4: Simplify right side
   12,403.38x = 121,548,791.30
5. Step 5: Solve for x
   x = 121,548,791.30/12,403.38
6. Step 6: Final answer
   x = 9,799.65