Finding the Fourth Proportional to 12,499.63, 17,251.58 and 7,193.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.63 : 17,251.58 = 7,193.45 : x
2. Step 2: Convert to fraction form
   12,499.63/17,251.58 = 7,193.45/x
3. Step 3: Cross multiply
   12,499.63x = 17,251.58 × 7,193.45
4. Step 4: Simplify right side
   12,499.63x = 124,098,378.15
5. Step 5: Solve for x
   x = 124,098,378.15/12,499.63
6. Step 6: Final answer
   x = 9,928.16