Finding the Fourth Proportional to 9,510.50, 14,253.18 and 6,886.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.50 : 14,253.18 = 6,886.78 : x
2. Step 2: Convert to fraction form
   9,510.50/14,253.18 = 6,886.78/x
3. Step 3: Cross multiply
   9,510.50x = 14,253.18 × 6,886.78
4. Step 4: Simplify right side
   9,510.50x = 98,158,514.96
5. Step 5: Solve for x
   x = 98,158,514.96/9,510.50
6. Step 6: Final answer
   x = 10,321.07