Finding the Fourth Proportional to 1,354.90, 2,027.55 and 942.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.90 : 2,027.55 = 942.10 : x
2. Step 2: Convert to fraction form
   1,354.90/2,027.55 = 942.10/x
3. Step 3: Cross multiply
   1,354.90x = 2,027.55 × 942.10
4. Step 4: Simplify right side
   1,354.90x = 1,910,154.86
5. Step 5: Solve for x
   x = 1,910,154.86/1,354.90
6. Step 6: Final answer
   x = 1,409.81