Finding the Fourth Proportional to 1,978.89, 2,730.90 and 1,094.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.89 : 2,730.90 = 1,094.69 : x
2. Step 2: Convert to fraction form
   1,978.89/2,730.90 = 1,094.69/x
3. Step 3: Cross multiply
   1,978.89x = 2,730.90 × 1,094.69
4. Step 4: Simplify right side
   1,978.89x = 2,989,488.92
5. Step 5: Solve for x
   x = 2,989,488.92/1,978.89
6. Step 6: Final answer
   x = 1,510.69