Finding the Fourth Proportional to 1,978.56, 2,730.45 and 1,094.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.56 : 2,730.45 = 1,094.35 : x
2. Step 2: Convert to fraction form
   1,978.56/2,730.45 = 1,094.35/x
3. Step 3: Cross multiply
   1,978.56x = 2,730.45 × 1,094.35
4. Step 4: Simplify right side
   1,978.56x = 2,988,067.96
5. Step 5: Solve for x
   x = 2,988,067.96/1,978.56
6. Step 6: Final answer
   x = 1,510.22