Finding the Fourth Proportional to 4,061.90, 6,090.66 and 2,086.71

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061.90 : 6,090.66 = 2,086.71 : x
2. Step 2: Convert to fraction form
   4,061.90/6,090.66 = 2,086.71/x
3. Step 3: Cross multiply
   4,061.90x = 6,090.66 × 2,086.71
4. Step 4: Simplify right side
   4,061.90x = 12,709,441.13
5. Step 5: Solve for x
   x = 12,709,441.13/4,061.90
6. Step 6: Final answer
   x = 3,128.94