Finding the Fourth Proportional to 1,978.11, 2,729.64 and 1,093.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.11 : 2,729.64 = 1,093.89 : x
2. Step 2: Convert to fraction form
   1,978.11/2,729.64 = 1,093.89/x
3. Step 3: Cross multiply
   1,978.11x = 2,729.64 × 1,093.89
4. Step 4: Simplify right side
   1,978.11x = 2,985,925.90
5. Step 5: Solve for x
   x = 2,985,925.90/1,978.11
6. Step 6: Final answer
   x = 1,509.48