Finding the Fourth Proportional to 31,063.68, 42,866.52 and 16,916.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,063.68 : 42,866.52 = 16,916.48 : x
2. Step 2: Convert to fraction form
   31,063.68/42,866.52 = 16,916.48/x
3. Step 3: Cross multiply
   31,063.68x = 42,866.52 × 16,916.48
4. Step 4: Simplify right side
   31,063.68x = 725,150,628.25
5. Step 5: Solve for x
   x = 725,150,628.25/31,063.68
6. Step 6: Final answer
   x = 23,344.00