Finding the Fourth Proportional to 1,665.84, 2,298.42 and 1,075.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.84 : 2,298.42 = 1,075.44 : x
2. Step 2: Convert to fraction form
   1,665.84/2,298.42 = 1,075.44/x
3. Step 3: Cross multiply
   1,665.84x = 2,298.42 × 1,075.44
4. Step 4: Simplify right side
   1,665.84x = 2,471,812.80
5. Step 5: Solve for x
   x = 2,471,812.80/1,665.84
6. Step 6: Final answer
   x = 1,483.82