Finding the Fourth Proportional to 9,534.90, 13,158.18 and 5,554.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,534.90 : 13,158.18 = 5,554.56 : x
2. Step 2: Convert to fraction form
   9,534.90/13,158.18 = 5,554.56/x
3. Step 3: Cross multiply
   9,534.90x = 13,158.18 × 5,554.56
4. Step 4: Simplify right side
   9,534.90x = 73,087,900.30
5. Step 5: Solve for x
   x = 73,087,900.30/9,534.90
6. Step 6: Final answer
   x = 7,665.30