Finding the Fourth Proportional to 1,978.07, 2,729.59 and 1,093.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.07 : 2,729.59 = 1,093.86 : x
2. Step 2: Convert to fraction form
   1,978.07/2,729.59 = 1,093.86/x
3. Step 3: Cross multiply
   1,978.07x = 2,729.59 × 1,093.86
4. Step 4: Simplify right side
   1,978.07x = 2,985,789.32
5. Step 5: Solve for x
   x = 2,985,789.32/1,978.07
6. Step 6: Final answer
   x = 1,509.45