Finding the Fourth Proportional to 1,978.07, 2,729.67 and 1,093.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.07 : 2,729.67 = 1,093.87 : x
2. Step 2: Convert to fraction form
   1,978.07/2,729.67 = 1,093.87/x
3. Step 3: Cross multiply
   1,978.07x = 2,729.67 × 1,093.87
4. Step 4: Simplify right side
   1,978.07x = 2,985,890.47
5. Step 5: Solve for x
   x = 2,985,890.47/1,978.07
6. Step 6: Final answer
   x = 1,509.50