Finding the Fourth Proportional to 12,850.77, 17,737.02 and 8,366.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,850.77 : 17,737.02 = 8,366.72 : x
2. Step 2: Convert to fraction form
   12,850.77/17,737.02 = 8,366.72/x
3. Step 3: Cross multiply
   12,850.77x = 17,737.02 × 8,366.72
4. Step 4: Simplify right side
   12,850.77x = 148,400,591.29
5. Step 5: Solve for x
   x = 148,400,591.29/12,850.77
6. Step 6: Final answer
   x = 11,547.99