Finding the Fourth Proportional to 1,978.82, 2,730.70 and 1,094.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.82 : 2,730.70 = 1,094.57 : x
2. Step 2: Convert to fraction form
   1,978.82/2,730.70 = 1,094.57/x
3. Step 3: Cross multiply
   1,978.82x = 2,730.70 × 1,094.57
4. Step 4: Simplify right side
   1,978.82x = 2,988,942.30
5. Step 5: Solve for x
   x = 2,988,942.30/1,978.82
6. Step 6: Final answer
   x = 1,510.47