Finding the Fourth Proportional to 9,691.09, 13,376.27 and 5,714.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,691.09 : 13,376.27 = 5,714.85 : x
2. Step 2: Convert to fraction form
   9,691.09/13,376.27 = 5,714.85/x
3. Step 3: Cross multiply
   9,691.09x = 13,376.27 × 5,714.85
4. Step 4: Simplify right side
   9,691.09x = 76,443,376.61
5. Step 5: Solve for x
   x = 76,443,376.61/9,691.09
6. Step 6: Final answer
   x = 7,888.01