Finding the Fourth Proportional to 1,978.64, 2,730.54 and 1,094.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.64 : 2,730.54 = 1,094.52 : x
2. Step 2: Convert to fraction form
   1,978.64/2,730.54 = 1,094.52/x
3. Step 3: Cross multiply
   1,978.64x = 2,730.54 × 1,094.52
4. Step 4: Simplify right side
   1,978.64x = 2,988,630.64
5. Step 5: Solve for x
   x = 2,988,630.64/1,978.64
6. Step 6: Final answer
   x = 1,510.45