Finding the Fourth Proportional to 1,981.10, 2,734.46 and 1,234.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.10 : 2,734.46 = 1,234.61 : x
2. Step 2: Convert to fraction form
   1,981.10/2,734.46 = 1,234.61/x
3. Step 3: Cross multiply
   1,981.10x = 2,734.46 × 1,234.61
4. Step 4: Simplify right side
   1,981.10x = 3,375,971.82
5. Step 5: Solve for x
   x = 3,375,971.82/1,981.10
6. Step 6: Final answer
   x = 1,704.09