Finding the Fourth Proportional to 1,978.93, 2,730.85 and 1,094.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.93 : 2,730.85 = 1,094.79 : x
2. Step 2: Convert to fraction form
   1,978.93/2,730.85 = 1,094.79/x
3. Step 3: Cross multiply
   1,978.93x = 2,730.85 × 1,094.79
4. Step 4: Simplify right side
   1,978.93x = 2,989,707.27
5. Step 5: Solve for x
   x = 2,989,707.27/1,978.93
6. Step 6: Final answer
   x = 1,510.77