Finding the Fourth Proportional to 12,499.13, 17,250.89 and 7,192.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.13 : 17,250.89 = 7,192.95 : x
2. Step 2: Convert to fraction form
   12,499.13/17,250.89 = 7,192.95/x
3. Step 3: Cross multiply
   12,499.13x = 17,250.89 × 7,192.95
4. Step 4: Simplify right side
   12,499.13x = 124,084,753.26
5. Step 5: Solve for x
   x = 124,084,753.26/12,499.13
6. Step 6: Final answer
   x = 9,927.48