Finding the Fourth Proportional to 22,928.84, 31,630.15 and 14,975.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,928.84 : 31,630.15 = 14,975.72 : x
2. Step 2: Convert to fraction form
   22,928.84/31,630.15 = 14,975.72/x
3. Step 3: Cross multiply
   22,928.84x = 31,630.15 × 14,975.72
4. Step 4: Simplify right side
   22,928.84x = 473,684,269.96
5. Step 5: Solve for x
   x = 473,684,269.96/22,928.84
6. Step 6: Final answer
   x = 20,658.89