Finding the Fourth Proportional to 12,066.24, 18,089.62 and 5,145.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066.24 : 18,089.62 = 5,145.60 : x
2. Step 2: Convert to fraction form
   12,066.24/18,089.62 = 5,145.60/x
3. Step 3: Cross multiply
   12,066.24x = 18,089.62 × 5,145.60
4. Step 4: Simplify right side
   12,066.24x = 93,081,948.67
5. Step 5: Solve for x
   x = 93,081,948.67/12,066.24
6. Step 6: Final answer
   x = 7,714.25