Finding the Fourth Proportional to 12,499.35, 17,262.02 and 10,812.66

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.35 : 17,262.02 = 10,812.66 : x
2. Step 2: Convert to fraction form
   12,499.35/17,262.02 = 10,812.66/x
3. Step 3: Cross multiply
   12,499.35x = 17,262.02 × 10,812.66
4. Step 4: Simplify right side
   12,499.35x = 186,648,353.17
5. Step 5: Solve for x
   x = 186,648,353.17/12,499.35
6. Step 6: Final answer
   x = 14,932.64