Finding the Fourth Proportional to 9,518.80, 13,134.18 and 5,538.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.80 : 13,134.18 = 5,538.46 : x
2. Step 2: Convert to fraction form
   9,518.80/13,134.18 = 5,538.46/x
3. Step 3: Cross multiply
   9,518.80x = 13,134.18 × 5,538.46
4. Step 4: Simplify right side
   9,518.80x = 72,743,130.56
5. Step 5: Solve for x
   x = 72,743,130.56/9,518.80
6. Step 6: Final answer
   x = 7,642.05