Finding the Fourth Proportional to 9,468.81, 13,066.18 and 5,490.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,468.81 : 13,066.18 = 5,490.16 : x
2. Step 2: Convert to fraction form
   9,468.81/13,066.18 = 5,490.16/x
3. Step 3: Cross multiply
   9,468.81x = 13,066.18 × 5,490.16
4. Step 4: Simplify right side
   9,468.81x = 71,735,405.06
5. Step 5: Solve for x
   x = 71,735,405.06/9,468.81
6. Step 6: Final answer
   x = 7,575.97