Finding the Fourth Proportional to 1,914.69, 2,642.27 and 1,075.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.69 : 2,642.27 = 1,075.43 : x
2. Step 2: Convert to fraction form
   1,914.69/2,642.27 = 1,075.43/x
3. Step 3: Cross multiply
   1,914.69x = 2,642.27 × 1,075.43
4. Step 4: Simplify right side
   1,914.69x = 2,841,568.84
5. Step 5: Solve for x
   x = 2,841,568.84/1,914.69
6. Step 6: Final answer
   x = 1,484.09