Finding the Fourth Proportional to 9,693.40, 13,375.28 and 5,713.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,693.40 : 13,375.28 = 5,713.96 : x
2. Step 2: Convert to fraction form
   9,693.40/13,375.28 = 5,713.96/x
3. Step 3: Cross multiply
   9,693.40x = 13,375.28 × 5,713.96
4. Step 4: Simplify right side
   9,693.40x = 76,425,814.91
5. Step 5: Solve for x
   x = 76,425,814.91/9,693.40
6. Step 6: Final answer
   x = 7,884.31