Finding the Fourth Proportional to 1,978.47, 2,730.26 and 1,094.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.47 : 2,730.26 = 1,094.25 : x
2. Step 2: Convert to fraction form
   1,978.47/2,730.26 = 1,094.25/x
3. Step 3: Cross multiply
   1,978.47x = 2,730.26 × 1,094.25
4. Step 4: Simplify right side
   1,978.47x = 2,987,587.01
5. Step 5: Solve for x
   x = 2,987,587.01/1,978.47
6. Step 6: Final answer
   x = 1,510.05