Finding the Fourth Proportional to 22,928.87, 31,628.39 and 14,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,928.87 : 31,628.39 = 14,417.50 : x
2. Step 2: Convert to fraction form
   22,928.87/31,628.39 = 14,417.50/x
3. Step 3: Cross multiply
   22,928.87x = 31,628.39 × 14,417.50
4. Step 4: Simplify right side
   22,928.87x = 456,002,312.83
5. Step 5: Solve for x
   x = 456,002,312.83/22,928.87
6. Step 6: Final answer
   x = 19,887.69