Finding the Fourth Proportional to 3,156.30, 4,735.13 and 1,208.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,156.30 : 4,735.13 = 1,208.50 : x
2. Step 2: Convert to fraction form
   3,156.30/4,735.13 = 1,208.50/x
3. Step 3: Cross multiply
   3,156.30x = 4,735.13 × 1,208.50
4. Step 4: Simplify right side
   3,156.30x = 5,722,404.61
5. Step 5: Solve for x
   x = 5,722,404.61/3,156.30
6. Step 6: Final answer
   x = 1,813.01