Finding the Fourth Proportional to 1,468.89, 2,027.43 and 879.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.89 : 2,027.43 = 879.78 : x
2. Step 2: Convert to fraction form
   1,468.89/2,027.43 = 879.78/x
3. Step 3: Cross multiply
   1,468.89x = 2,027.43 × 879.78
4. Step 4: Simplify right side
   1,468.89x = 1,783,692.37
5. Step 5: Solve for x
   x = 1,783,692.37/1,468.89
6. Step 6: Final answer
   x = 1,214.31