Finding the Fourth Proportional to 2,061.42, 2,848.35 and 1,622.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.42 : 2,848.35 = 1,622.80 : x
2. Step 2: Convert to fraction form
   2,061.42/2,848.35 = 1,622.80/x
3. Step 3: Cross multiply
   2,061.42x = 2,848.35 × 1,622.80
4. Step 4: Simplify right side
   2,061.42x = 4,622,302.38
5. Step 5: Solve for x
   x = 4,622,302.38/2,061.42
6. Step 6: Final answer
   x = 2,242.29