Finding the Fourth Proportional to 10,405.18, 15,591.38 and 3,822.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,405.18 : 15,591.38 = 3,822.32 : x
2. Step 2: Convert to fraction form
   10,405.18/15,591.38 = 3,822.32/x
3. Step 3: Cross multiply
   10,405.18x = 15,591.38 × 3,822.32
4. Step 4: Simplify right side
   10,405.18x = 59,595,243.60
5. Step 5: Solve for x
   x = 59,595,243.60/10,405.18
6. Step 6: Final answer
   x = 5,727.46