Finding the Fourth Proportional to 9,748.56, 13,455.72 and 5,771.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.56 : 13,455.72 = 5,771.04 : x
2. Step 2: Convert to fraction form
   9,748.56/13,455.72 = 5,771.04/x
3. Step 3: Cross multiply
   9,748.56x = 13,455.72 × 5,771.04
4. Step 4: Simplify right side
   9,748.56x = 77,653,498.35
5. Step 5: Solve for x
   x = 77,653,498.35/9,748.56
6. Step 6: Final answer
   x = 7,965.64