Finding the Fourth Proportional to 28,502.48, 42,753.83 and 16,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,502.48 : 42,753.83 = 16,807.50 : x
2. Step 2: Convert to fraction form
   28,502.48/42,753.83 = 16,807.50/x
3. Step 3: Cross multiply
   28,502.48x = 42,753.83 × 16,807.50
4. Step 4: Simplify right side
   28,502.48x = 718,584,913.69
5. Step 5: Solve for x
   x = 718,584,913.69/28,502.48
6. Step 6: Final answer
   x = 25,211.31