Finding the Fourth Proportional to 1,504.01, 2,075.52 and 840.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.01 : 2,075.52 = 840.89 : x
2. Step 2: Convert to fraction form
   1,504.01/2,075.52 = 840.89/x
3. Step 3: Cross multiply
   1,504.01x = 2,075.52 × 840.89
4. Step 4: Simplify right side
   1,504.01x = 1,745,284.01
5. Step 5: Solve for x
   x = 1,745,284.01/1,504.01
6. Step 6: Final answer
   x = 1,160.42