Finding the Fourth Proportional to 2,214.78, 3,320.01 and 1,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.78 : 3,320.01 = 1,061.34 : x
2. Step 2: Convert to fraction form
   2,214.78/3,320.01 = 1,061.34/x
3. Step 3: Cross multiply
   2,214.78x = 3,320.01 × 1,061.34
4. Step 4: Simplify right side
   2,214.78x = 3,523,659.41
5. Step 5: Solve for x
   x = 3,523,659.41/2,214.78
6. Step 6: Final answer
   x = 1,590.97