Finding the Fourth Proportional to 2,194.71, 3,029.31 and 1,355.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.71 : 3,029.31 = 1,355.55 : x
2. Step 2: Convert to fraction form
   2,194.71/3,029.31 = 1,355.55/x
3. Step 3: Cross multiply
   2,194.71x = 3,029.31 × 1,355.55
4. Step 4: Simplify right side
   2,194.71x = 4,106,381.17
5. Step 5: Solve for x
   x = 4,106,381.17/2,194.71
6. Step 6: Final answer
   x = 1,871.04