Finding the Fourth Proportional to 3,641.91, 5,460.33 and 1,859.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,641.91 : 5,460.33 = 1,859.51 : x
2. Step 2: Convert to fraction form
   3,641.91/5,460.33 = 1,859.51/x
3. Step 3: Cross multiply
   3,641.91x = 5,460.33 × 1,859.51
4. Step 4: Simplify right side
   3,641.91x = 10,153,501.64
5. Step 5: Solve for x
   x = 10,153,501.64/3,641.91
6. Step 6: Final answer
   x = 2,787.96