Finding the Fourth Proportional to 10,384.37, 15,578.60 and 3,810.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,384.37 : 15,578.60 = 3,810.61 : x
2. Step 2: Convert to fraction form
   10,384.37/15,578.60 = 3,810.61/x
3. Step 3: Cross multiply
   10,384.37x = 15,578.60 × 3,810.61
4. Step 4: Simplify right side
   10,384.37x = 59,363,969.37
5. Step 5: Solve for x
   x = 59,363,969.37/10,384.37
6. Step 6: Final answer
   x = 5,716.67