Finding the Fourth Proportional to 3,818.86, 5,725.59 and 1,869.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.86 : 5,725.59 = 1,869.82 : x
2. Step 2: Convert to fraction form
   3,818.86/5,725.59 = 1,869.82/x
3. Step 3: Cross multiply
   3,818.86x = 5,725.59 × 1,869.82
4. Step 4: Simplify right side
   3,818.86x = 10,705,822.69
5. Step 5: Solve for x
   x = 10,705,822.69/3,818.86
6. Step 6: Final answer
   x = 2,803.41