Finding the Fourth Proportional to 10,191.79, 14,063.67 and 5,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.79 : 14,063.67 = 5,714.50 : x
2. Step 2: Convert to fraction form
   10,191.79/14,063.67 = 5,714.50/x
3. Step 3: Cross multiply
   10,191.79x = 14,063.67 × 5,714.50
4. Step 4: Simplify right side
   10,191.79x = 80,366,842.22
5. Step 5: Solve for x
   x = 80,366,842.22/10,191.79
6. Step 6: Final answer
   x = 7,885.45