Finding the Fourth Proportional to 1,978.17, 2,730.04 and 1,094.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.17 : 2,730.04 = 1,094.15 : x
2. Step 2: Convert to fraction form
   1,978.17/2,730.04 = 1,094.15/x
3. Step 3: Cross multiply
   1,978.17x = 2,730.04 × 1,094.15
4. Step 4: Simplify right side
   1,978.17x = 2,987,073.27
5. Step 5: Solve for x
   x = 2,987,073.27/1,978.17
6. Step 6: Final answer
   x = 1,510.02