Finding the Fourth Proportional to 1,507.61, 2,080.59 and 844.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.61 : 2,080.59 = 844.43 : x
2. Step 2: Convert to fraction form
   1,507.61/2,080.59 = 844.43/x
3. Step 3: Cross multiply
   1,507.61x = 2,080.59 × 844.43
4. Step 4: Simplify right side
   1,507.61x = 1,756,912.61
5. Step 5: Solve for x
   x = 1,756,912.61/1,507.61
6. Step 6: Final answer
   x = 1,165.36