Finding the Fourth Proportional to 2,086.02, 3,134.01 and 1,220.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.02 : 3,134.01 = 1,220.94 : x
2. Step 2: Convert to fraction form
   2,086.02/3,134.01 = 1,220.94/x
3. Step 3: Cross multiply
   2,086.02x = 3,134.01 × 1,220.94
4. Step 4: Simplify right side
   2,086.02x = 3,826,438.17
5. Step 5: Solve for x
   x = 3,826,438.17/2,086.02
6. Step 6: Final answer
   x = 1,834.32