Finding the Fourth Proportional to 9,127.77, 13,714.71 and 8,758.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,127.77 : 13,714.71 = 8,758.71 : x
2. Step 2: Convert to fraction form
   9,127.77/13,714.71 = 8,758.71/x
3. Step 3: Cross multiply
   9,127.77x = 13,714.71 × 8,758.71
4. Step 4: Simplify right side
   9,127.77x = 120,123,167.62
5. Step 5: Solve for x
   x = 120,123,167.62/9,127.77
6. Step 6: Final answer
   x = 13,160.19