Finding the Fourth Proportional to 1,507.93, 2,081.03 and 844.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.93 : 2,081.03 = 844.78 : x
2. Step 2: Convert to fraction form
   1,507.93/2,081.03 = 844.78/x
3. Step 3: Cross multiply
   1,507.93x = 2,081.03 × 844.78
4. Step 4: Simplify right side
   1,507.93x = 1,758,012.52
5. Step 5: Solve for x
   x = 1,758,012.52/1,507.93
6. Step 6: Final answer
   x = 1,165.84