Finding the Fourth Proportional to 2,103.02, 3,153.30 and 1,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.02 : 3,153.30 = 1,235.50 : x
2. Step 2: Convert to fraction form
   2,103.02/3,153.30 = 1,235.50/x
3. Step 3: Cross multiply
   2,103.02x = 3,153.30 × 1,235.50
4. Step 4: Simplify right side
   2,103.02x = 3,895,902.15
5. Step 5: Solve for x
   x = 3,895,902.15/2,103.02
6. Step 6: Final answer
   x = 1,852.53