Finding the Fourth Proportional to 12,498.63, 17,250.20 and 7,192.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.63 : 17,250.20 = 7,192.45 : x
2. Step 2: Convert to fraction form
   12,498.63/17,250.20 = 7,192.45/x
3. Step 3: Cross multiply
   12,498.63x = 17,250.20 × 7,192.45
4. Step 4: Simplify right side
   12,498.63x = 124,071,200.99
5. Step 5: Solve for x
   x = 124,071,200.99/12,498.63
6. Step 6: Final answer
   x = 9,926.78