Finding the Fourth Proportional to 10,279.47, 14,192.37 and 6,302.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,279.47 : 14,192.37 = 6,302.78 : x
2. Step 2: Convert to fraction form
   10,279.47/14,192.37 = 6,302.78/x
3. Step 3: Cross multiply
   10,279.47x = 14,192.37 × 6,302.78
4. Step 4: Simplify right side
   10,279.47x = 89,451,314.83
5. Step 5: Solve for x
   x = 89,451,314.83/10,279.47
6. Step 6: Final answer
   x = 8,701.94