Finding the Fourth Proportional to 10,714.30, 14,786.59 and 7,894.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,714.30 : 14,786.59 = 7,894.55 : x
2. Step 2: Convert to fraction form
   10,714.30/14,786.59 = 7,894.55/x
3. Step 3: Cross multiply
   10,714.30x = 14,786.59 × 7,894.55
4. Step 4: Simplify right side
   10,714.30x = 116,733,491.31
5. Step 5: Solve for x
   x = 116,733,491.31/10,714.30
6. Step 6: Final answer
   x = 10,895.11