Finding the Fourth Proportional to 28,284.82, 42,432.68 and 10,753.28

Step by Step Solution

1. Step 1: Write the proportion equation
   28,284.82 : 42,432.68 = 10,753.28 : x
2. Step 2: Convert to fraction form
   28,284.82/42,432.68 = 10,753.28/x
3. Step 3: Cross multiply
   28,284.82x = 42,432.68 × 10,753.28
4. Step 4: Simplify right side
   28,284.82x = 456,290,277.03
5. Step 5: Solve for x
   x = 456,290,277.03/28,284.82
6. Step 6: Final answer
   x = 16,131.99