Finding the Fourth Proportional to 1,075.43, 1,613.69 and 802.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.43 : 1,613.69 = 802.07 : x
2. Step 2: Convert to fraction form
   1,075.43/1,613.69 = 802.07/x
3. Step 3: Cross multiply
   1,075.43x = 1,613.69 × 802.07
4. Step 4: Simplify right side
   1,075.43x = 1,294,288.33
5. Step 5: Solve for x
   x = 1,294,288.33/1,075.43
6. Step 6: Final answer
   x = 1,203.51