Finding the Fourth Proportional to 7,563.39, 10,436.20 and 4,205.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,563.39 : 10,436.20 = 4,205.76 : x
2. Step 2: Convert to fraction form
   7,563.39/10,436.20 = 4,205.76/x
3. Step 3: Cross multiply
   7,563.39x = 10,436.20 × 4,205.76
4. Step 4: Simplify right side
   7,563.39x = 43,892,114.69
5. Step 5: Solve for x
   x = 43,892,114.69/7,563.39
6. Step 6: Final answer
   x = 5,803.23