Finding the Fourth Proportional to 12,499.56, 17,251.12 and 7,194.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.56 : 17,251.12 = 7,194.28 : x
2. Step 2: Convert to fraction form
   12,499.56/17,251.12 = 7,194.28/x
3. Step 3: Cross multiply
   12,499.56x = 17,251.12 × 7,194.28
4. Step 4: Simplify right side
   12,499.56x = 124,109,387.59
5. Step 5: Solve for x
   x = 124,109,387.59/12,499.56
6. Step 6: Final answer
   x = 9,929.10