Finding the Fourth Proportional to 13,310.52, 18,377.76 and 8,277

Step by Step Solution

1. Step 1: Write the proportion equation
   13,310.52 : 18,377.76 = 8,277 : x
2. Step 2: Convert to fraction form
   13,310.52/18,377.76 = 8,277/x
3. Step 3: Cross multiply
   13,310.52x = 18,377.76 × 8,277
4. Step 4: Simplify right side
   13,310.52x = 152,112,719.52
5. Step 5: Solve for x
   x = 152,112,719.52/13,310.52
6. Step 6: Final answer
   x = 11,428.01