Finding the Fourth Proportional to 1,978.52, 2,730.38 and 1,094.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.52 : 2,730.38 = 1,094.31 : x
2. Step 2: Convert to fraction form
   1,978.52/2,730.38 = 1,094.31/x
3. Step 3: Cross multiply
   1,978.52x = 2,730.38 × 1,094.31
4. Step 4: Simplify right side
   1,978.52x = 2,987,876.67
5. Step 5: Solve for x
   x = 2,987,876.67/1,978.52
6. Step 6: Final answer
   x = 1,510.16