Finding the Fourth Proportional to 1,505.25, 2,077.85 and 981.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.25 : 2,077.85 = 981.59 : x
2. Step 2: Convert to fraction form
   1,505.25/2,077.85 = 981.59/x
3. Step 3: Cross multiply
   1,505.25x = 2,077.85 × 981.59
4. Step 4: Simplify right side
   1,505.25x = 2,039,588.85
5. Step 5: Solve for x
   x = 2,039,588.85/1,505.25
6. Step 6: Final answer
   x = 1,354.98