Finding the Fourth Proportional to 9,748.34, 13,449.20 and 5,554.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.34 : 13,449.20 = 5,554.16 : x
2. Step 2: Convert to fraction form
   9,748.34/13,449.20 = 5,554.16/x
3. Step 3: Cross multiply
   9,748.34x = 13,449.20 × 5,554.16
4. Step 4: Simplify right side
   9,748.34x = 74,699,008.67
5. Step 5: Solve for x
   x = 74,699,008.67/9,748.34
6. Step 6: Final answer
   x = 7,662.74