Finding the Fourth Proportional to 1,803.94, 2,490.12 and 1,411.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.94 : 2,490.12 = 1,411.08 : x
2. Step 2: Convert to fraction form
   1,803.94/2,490.12 = 1,411.08/x
3. Step 3: Cross multiply
   1,803.94x = 2,490.12 × 1,411.08
4. Step 4: Simplify right side
   1,803.94x = 3,513,758.53
5. Step 5: Solve for x
   x = 3,513,758.53/1,803.94
6. Step 6: Final answer
   x = 1,947.82