Finding the Fourth Proportional to 2,103.86, 3,154.89 and 933.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.86 : 3,154.89 = 933.86 : x
2. Step 2: Convert to fraction form
   2,103.86/3,154.89 = 933.86/x
3. Step 3: Cross multiply
   2,103.86x = 3,154.89 × 933.86
4. Step 4: Simplify right side
   2,103.86x = 2,946,225.58
5. Step 5: Solve for x
   x = 2,946,225.58/2,103.86
6. Step 6: Final answer
   x = 1,400.39