Finding the Fourth Proportional to 9,748.16, 13,453.24 and 5,556.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.16 : 13,453.24 = 5,556.72 : x
2. Step 2: Convert to fraction form
   9,748.16/13,453.24 = 5,556.72/x
3. Step 3: Cross multiply
   9,748.16x = 13,453.24 × 5,556.72
4. Step 4: Simplify right side
   9,748.16x = 74,755,887.77
5. Step 5: Solve for x
   x = 74,755,887.77/9,748.16
6. Step 6: Final answer
   x = 7,668.72