Finding the Fourth Proportional to 1,977.91, 2,729.72 and 1,093.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.91 : 2,729.72 = 1,093.78 : x
2. Step 2: Convert to fraction form
   1,977.91/2,729.72 = 1,093.78/x
3. Step 3: Cross multiply
   1,977.91x = 2,729.72 × 1,093.78
4. Step 4: Simplify right side
   1,977.91x = 2,985,713.14
5. Step 5: Solve for x
   x = 2,985,713.14/1,977.91
6. Step 6: Final answer
   x = 1,509.53