Finding the Fourth Proportional to 10,191.54, 14,063.52 and 5,714.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.54 : 14,063.52 = 5,714.28 : x
2. Step 2: Convert to fraction form
   10,191.54/14,063.52 = 5,714.28/x
3. Step 3: Cross multiply
   10,191.54x = 14,063.52 × 5,714.28
4. Step 4: Simplify right side
   10,191.54x = 80,362,891.07
5. Step 5: Solve for x
   x = 80,362,891.07/10,191.54
6. Step 6: Final answer
   x = 7,885.25