Finding the Fourth Proportional to 9,969.34, 13,757.76 and 5,720.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.34 : 13,757.76 = 5,720.58 : x
2. Step 2: Convert to fraction form
   9,969.34/13,757.76 = 5,720.58/x
3. Step 3: Cross multiply
   9,969.34x = 13,757.76 × 5,720.58
4. Step 4: Simplify right side
   9,969.34x = 78,702,366.70
5. Step 5: Solve for x
   x = 78,702,366.70/9,969.34
6. Step 6: Final answer
   x = 7,894.44