Finding the Fourth Proportional to 12,373.56, 17,066.70 and 8,187.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,373.56 : 17,066.70 = 8,187.48 : x
2. Step 2: Convert to fraction form
   12,373.56/17,066.70 = 8,187.48/x
3. Step 3: Cross multiply
   12,373.56x = 17,066.70 × 8,187.48
4. Step 4: Simplify right side
   12,373.56x = 139,733,264.92
5. Step 5: Solve for x
   x = 139,733,264.92/12,373.56
6. Step 6: Final answer
   x = 11,292.89