Finding the Fourth Proportional to 1,978.31, 2,730.11 and 1,094.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.31 : 2,730.11 = 1,094.10 : x
2. Step 2: Convert to fraction form
   1,978.31/2,730.11 = 1,094.10/x
3. Step 3: Cross multiply
   1,978.31x = 2,730.11 × 1,094.10
4. Step 4: Simplify right side
   1,978.31x = 2,987,013.35
5. Step 5: Solve for x
   x = 2,987,013.35/1,978.31
6. Step 6: Final answer
   x = 1,509.88