Finding the Fourth Proportional to 7,719.62, 10,649.18 and 5,066.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,719.62 : 10,649.18 = 5,066.06 : x
2. Step 2: Convert to fraction form
   7,719.62/10,649.18 = 5,066.06/x
3. Step 3: Cross multiply
   7,719.62x = 10,649.18 × 5,066.06
4. Step 4: Simplify right side
   7,719.62x = 53,949,306.25
5. Step 5: Solve for x
   x = 53,949,306.25/7,719.62
6. Step 6: Final answer
   x = 6,988.60