Finding the Fourth Proportional to 1,981.86, 2,734.29 and 1,153.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.86 : 2,734.29 = 1,153.86 : x
2. Step 2: Convert to fraction form
   1,981.86/2,734.29 = 1,153.86/x
3. Step 3: Cross multiply
   1,981.86x = 2,734.29 × 1,153.86
4. Step 4: Simplify right side
   1,981.86x = 3,154,987.86
5. Step 5: Solve for x
   x = 3,154,987.86/1,981.86
6. Step 6: Final answer
   x = 1,591.93