Finding the Fourth Proportional to 2,059.86, 3,090.06 and 1,086.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.86 : 3,090.06 = 1,086.24 : x
2. Step 2: Convert to fraction form
   2,059.86/3,090.06 = 1,086.24/x
3. Step 3: Cross multiply
   2,059.86x = 3,090.06 × 1,086.24
4. Step 4: Simplify right side
   2,059.86x = 3,356,546.77
5. Step 5: Solve for x
   x = 3,356,546.77/2,059.86
6. Step 6: Final answer
   x = 1,629.50