Finding the Fourth Proportional to 9,714.95, 14,574.33 and 3,872.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,714.95 : 14,574.33 = 3,872.15 : x
2. Step 2: Convert to fraction form
   9,714.95/14,574.33 = 3,872.15/x
3. Step 3: Cross multiply
   9,714.95x = 14,574.33 × 3,872.15
4. Step 4: Simplify right side
   9,714.95x = 56,433,991.91
5. Step 5: Solve for x
   x = 56,433,991.91/9,714.95
6. Step 6: Final answer
   x = 5,808.98