Finding the Fourth Proportional to 12,499.76, 17,249.94 and 7,463.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.76 : 17,249.94 = 7,463.04 : x
2. Step 2: Convert to fraction form
   12,499.76/17,249.94 = 7,463.04/x
3. Step 3: Cross multiply
   12,499.76x = 17,249.94 × 7,463.04
4. Step 4: Simplify right side
   12,499.76x = 128,736,899.54
5. Step 5: Solve for x
   x = 128,736,899.54/12,499.76
6. Step 6: Final answer
   x = 10,299.15