Finding the Fourth Proportional to 9,903.82, 13,668.51 and 5,713.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,903.82 : 13,668.51 = 5,713.42 : x
2. Step 2: Convert to fraction form
   9,903.82/13,668.51 = 5,713.42/x
3. Step 3: Cross multiply
   9,903.82x = 13,668.51 × 5,713.42
4. Step 4: Simplify right side
   9,903.82x = 78,093,938.40
5. Step 5: Solve for x
   x = 78,093,938.40/9,903.82
6. Step 6: Final answer
   x = 7,885.23