Finding the Fourth Proportional to 12,377.61, 17,082.50 and 8,599.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.61 : 17,082.50 = 8,599.77 : x
2. Step 2: Convert to fraction form
   12,377.61/17,082.50 = 8,599.77/x
3. Step 3: Cross multiply
   12,377.61x = 17,082.50 × 8,599.77
4. Step 4: Simplify right side
   12,377.61x = 146,905,528.03
5. Step 5: Solve for x
   x = 146,905,528.03/12,377.61
6. Step 6: Final answer
   x = 11,868.65