Finding the Fourth Proportional to 1,978.06, 2,729.60 and 1,093.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.06 : 2,729.60 = 1,093.80 : x
2. Step 2: Convert to fraction form
   1,978.06/2,729.60 = 1,093.80/x
3. Step 3: Cross multiply
   1,978.06x = 2,729.60 × 1,093.80
4. Step 4: Simplify right side
   1,978.06x = 2,985,622.83
5. Step 5: Solve for x
   x = 2,985,622.83/1,978.06
6. Step 6: Final answer
   x = 1,509.37