Finding the Fourth Proportional to 28,236.24, 42,365.52 and 10,710.72

Step by Step Solution

1. Step 1: Write the proportion equation
   28,236.24 : 42,365.52 = 10,710.72 : x
2. Step 2: Convert to fraction form
   28,236.24/42,365.52 = 10,710.72/x
3. Step 3: Cross multiply
   28,236.24x = 42,365.52 × 10,710.72
4. Step 4: Simplify right side
   28,236.24x = 453,765,222.37
5. Step 5: Solve for x
   x = 453,765,222.37/28,236.24
6. Step 6: Final answer
   x = 16,070.31