Finding the Fourth Proportional to 3,781.86, 5,219.03 and 2,103.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781.86 : 5,219.03 = 2,103.34 : x
2. Step 2: Convert to fraction form
   3,781.86/5,219.03 = 2,103.34/x
3. Step 3: Cross multiply
   3,781.86x = 5,219.03 × 2,103.34
4. Step 4: Simplify right side
   3,781.86x = 10,977,411.24
5. Step 5: Solve for x
   x = 10,977,411.24/3,781.86
6. Step 6: Final answer
   x = 2,902.65