Finding the Fourth Proportional to 1,978.66, 2,730.54 and 1,094.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.66 : 2,730.54 = 1,094.41 : x
2. Step 2: Convert to fraction form
   1,978.66/2,730.54 = 1,094.41/x
3. Step 3: Cross multiply
   1,978.66x = 2,730.54 × 1,094.41
4. Step 4: Simplify right side
   1,978.66x = 2,988,330.28
5. Step 5: Solve for x
   x = 2,988,330.28/1,978.66
6. Step 6: Final answer
   x = 1,510.28