Finding the Fourth Proportional to 28,367.53, 42,538.72 and 10,825.09

Step by Step Solution

1. Step 1: Write the proportion equation
   28,367.53 : 42,538.72 = 10,825.09 : x
2. Step 2: Convert to fraction form
   28,367.53/42,538.72 = 10,825.09/x
3. Step 3: Cross multiply
   28,367.53x = 42,538.72 × 10,825.09
4. Step 4: Simplify right side
   28,367.53x = 460,485,472.48
5. Step 5: Solve for x
   x = 460,485,472.48/28,367.53
6. Step 6: Final answer
   x = 16,232.84