Finding the Fourth Proportional to 7,458.22, 10,287.17 and 5,066.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,458.22 : 10,287.17 = 5,066.86 : x
2. Step 2: Convert to fraction form
   7,458.22/10,287.17 = 5,066.86/x
3. Step 3: Cross multiply
   7,458.22x = 10,287.17 × 5,066.86
4. Step 4: Simplify right side
   7,458.22x = 52,123,650.19
5. Step 5: Solve for x
   x = 52,123,650.19/7,458.22
6. Step 6: Final answer
   x = 6,988.75