Finding the Fourth Proportional to 10,383.66, 15,581.72 and 3,810.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,383.66 : 15,581.72 = 3,810.51 : x
2. Step 2: Convert to fraction form
   10,383.66/15,581.72 = 3,810.51/x
3. Step 3: Cross multiply
   10,383.66x = 15,581.72 × 3,810.51
4. Step 4: Simplify right side
   10,383.66x = 59,374,280.82
5. Step 5: Solve for x
   x = 59,374,280.82/10,383.66
6. Step 6: Final answer
   x = 5,718.05