Finding the Fourth Proportional to 10,384.64, 15,579.69 and 3,810.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,384.64 : 15,579.69 = 3,810.88 : x
2. Step 2: Convert to fraction form
   10,384.64/15,579.69 = 3,810.88/x
3. Step 3: Cross multiply
   10,384.64x = 15,579.69 × 3,810.88
4. Step 4: Simplify right side
   10,384.64x = 59,372,329.03
5. Step 5: Solve for x
   x = 59,372,329.03/10,384.64
6. Step 6: Final answer
   x = 5,717.32