Finding the Fourth Proportional to 12,327.66, 17,007.39 and 7,850.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.66 : 17,007.39 = 7,850.61 : x
2. Step 2: Convert to fraction form
   12,327.66/17,007.39 = 7,850.61/x
3. Step 3: Cross multiply
   12,327.66x = 17,007.39 × 7,850.61
4. Step 4: Simplify right side
   12,327.66x = 133,518,386.01
5. Step 5: Solve for x
   x = 133,518,386.01/12,327.66
6. Step 6: Final answer
   x = 10,830.80