Finding the Fourth Proportional to 1,898.42, 2,848.65 and 1,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.42 : 2,848.65 = 1,382.72 : x
2. Step 2: Convert to fraction form
   1,898.42/2,848.65 = 1,382.72/x
3. Step 3: Cross multiply
   1,898.42x = 2,848.65 × 1,382.72
4. Step 4: Simplify right side
   1,898.42x = 3,938,878.41
5. Step 5: Solve for x
   x = 3,938,878.41/1,898.42
6. Step 6: Final answer
   x = 2,074.82