Finding the Fourth Proportional to 6,066.78, 8,372.31 and 3,710.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,066.78 : 8,372.31 = 3,710.22 : x
2. Step 2: Convert to fraction form
   6,066.78/8,372.31 = 3,710.22/x
3. Step 3: Cross multiply
   6,066.78x = 8,372.31 × 3,710.22
4. Step 4: Simplify right side
   6,066.78x = 31,063,112.01
5. Step 5: Solve for x
   x = 31,063,112.01/6,066.78
6. Step 6: Final answer
   x = 5,120.20