Finding the Fourth Proportional to 2,103.38, 3,153.99 and 948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.38 : 3,153.99 = 948.50 : x
2. Step 2: Convert to fraction form
   2,103.38/3,153.99 = 948.50/x
3. Step 3: Cross multiply
   2,103.38x = 3,153.99 × 948.50
4. Step 4: Simplify right side
   2,103.38x = 2,991,559.52
5. Step 5: Solve for x
   x = 2,991,559.52/2,103.38
6. Step 6: Final answer
   x = 1,422.26