Finding the Fourth Proportional to 9,969.30, 13,752.45 and 5,776.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.30 : 13,752.45 = 5,776.02 : x
2. Step 2: Convert to fraction form
   9,969.30/13,752.45 = 5,776.02/x
3. Step 3: Cross multiply
   9,969.30x = 13,752.45 × 5,776.02
4. Step 4: Simplify right side
   9,969.30x = 79,434,426.25
5. Step 5: Solve for x
   x = 79,434,426.25/9,969.30
6. Step 6: Final answer
   x = 7,967.90