Finding the Fourth Proportional to 1,978.31, 2,730.08 and 1,094.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.31 : 2,730.08 = 1,094.12 : x
2. Step 2: Convert to fraction form
   1,978.31/2,730.08 = 1,094.12/x
3. Step 3: Cross multiply
   1,978.31x = 2,730.08 × 1,094.12
4. Step 4: Simplify right side
   1,978.31x = 2,987,036.48
5. Step 5: Solve for x
   x = 2,987,036.48/1,978.31
6. Step 6: Final answer
   x = 1,509.89