Finding the Fourth Proportional to 1,503.82, 2,075.59 and 1,007.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503.82 : 2,075.59 = 1,007.29 : x
2. Step 2: Convert to fraction form
   1,503.82/2,075.59 = 1,007.29/x
3. Step 3: Cross multiply
   1,503.82x = 2,075.59 × 1,007.29
4. Step 4: Simplify right side
   1,503.82x = 2,090,721.05
5. Step 5: Solve for x
   x = 2,090,721.05/1,503.82
6. Step 6: Final answer
   x = 1,390.27