Finding the Fourth Proportional to 1,898.78, 2,622.78 and 1,462.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.78 : 2,622.78 = 1,462.05 : x
2. Step 2: Convert to fraction form
   1,898.78/2,622.78 = 1,462.05/x
3. Step 3: Cross multiply
   1,898.78x = 2,622.78 × 1,462.05
4. Step 4: Simplify right side
   1,898.78x = 3,834,635.50
5. Step 5: Solve for x
   x = 3,834,635.50/1,898.78
6. Step 6: Final answer
   x = 2,019.53