Finding the Fourth Proportional to 2,113.83, 3,155.46 and 1,854.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.83 : 3,155.46 = 1,854.63 : x
2. Step 2: Convert to fraction form
   2,113.83/3,155.46 = 1,854.63/x
3. Step 3: Cross multiply
   2,113.83x = 3,155.46 × 1,854.63
4. Step 4: Simplify right side
   2,113.83x = 5,852,197.32
5. Step 5: Solve for x
   x = 5,852,197.32/2,113.83
6. Step 6: Final answer
   x = 2,768.53