Finding the Fourth Proportional to 2,103.95, 3,156.63 and 933.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.95 : 3,156.63 = 933.79 : x
2. Step 2: Convert to fraction form
   2,103.95/3,156.63 = 933.79/x
3. Step 3: Cross multiply
   2,103.95x = 3,156.63 × 933.79
4. Step 4: Simplify right side
   2,103.95x = 2,947,629.53
5. Step 5: Solve for x
   x = 2,947,629.53/2,103.95
6. Step 6: Final answer
   x = 1,401.00