Finding the Fourth Proportional to 28,338.12, 42,503.94 and 7,563.24

Step by Step Solution

1. Step 1: Write the proportion equation
   28,338.12 : 42,503.94 = 7,563.24 : x
2. Step 2: Convert to fraction form
   28,338.12/42,503.94 = 7,563.24/x
3. Step 3: Cross multiply
   28,338.12x = 42,503.94 × 7,563.24
4. Step 4: Simplify right side
   28,338.12x = 321,467,499.17
5. Step 5: Solve for x
   x = 321,467,499.17/28,338.12
6. Step 6: Final answer
   x = 11,344.00