Finding the Fourth Proportional to 1,410.84, 1,943.82 and 1,279.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.84 : 1,943.82 = 1,279.80 : x
2. Step 2: Convert to fraction form
   1,410.84/1,943.82 = 1,279.80/x
3. Step 3: Cross multiply
   1,410.84x = 1,943.82 × 1,279.80
4. Step 4: Simplify right side
   1,410.84x = 2,487,700.84
5. Step 5: Solve for x
   x = 2,487,700.84/1,410.84
6. Step 6: Final answer
   x = 1,763.28