Finding the Fourth Proportional to 1,978.70, 2,730.62 and 1,094.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.70 : 2,730.62 = 1,094.54 : x
2. Step 2: Convert to fraction form
   1,978.70/2,730.62 = 1,094.54/x
3. Step 3: Cross multiply
   1,978.70x = 2,730.62 × 1,094.54
4. Step 4: Simplify right side
   1,978.70x = 2,988,761.90
5. Step 5: Solve for x
   x = 2,988,761.90/1,978.70
6. Step 6: Final answer
   x = 1,510.47