Finding the Fourth Proportional to 1,981.36, 2,959.03 and 1,591.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.36 : 2,959.03 = 1,591.95 : x
2. Step 2: Convert to fraction form
   1,981.36/2,959.03 = 1,591.95/x
3. Step 3: Cross multiply
   1,981.36x = 2,959.03 × 1,591.95
4. Step 4: Simplify right side
   1,981.36x = 4,710,640.89
5. Step 5: Solve for x
   x = 4,710,640.89/1,981.36
6. Step 6: Final answer
   x = 2,377.48