Finding the Fourth Proportional to 1,978.76, 2,730.71 and 1,094.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.76 : 2,730.71 = 1,094.58 : x
2. Step 2: Convert to fraction form
   1,978.76/2,730.71 = 1,094.58/x
3. Step 3: Cross multiply
   1,978.76x = 2,730.71 × 1,094.58
4. Step 4: Simplify right side
   1,978.76x = 2,988,975.08
5. Step 5: Solve for x
   x = 2,988,975.08/1,978.76
6. Step 6: Final answer
   x = 1,510.53