Finding the Fourth Proportional to 1,411.83, 1,947.04 and 1,264.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.83 : 1,947.04 = 1,264.21 : x
2. Step 2: Convert to fraction form
   1,411.83/1,947.04 = 1,264.21/x
3. Step 3: Cross multiply
   1,411.83x = 1,947.04 × 1,264.21
4. Step 4: Simplify right side
   1,411.83x = 2,461,459.41
5. Step 5: Solve for x
   x = 2,461,459.41/1,411.83
6. Step 6: Final answer
   x = 1,743.45