Finding the Fourth Proportional to 14,890.16, 22,341.72 and 10,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,890.16 : 22,341.72 = 10,280.72 : x
2. Step 2: Convert to fraction form
   14,890.16/22,341.72 = 10,280.72/x
3. Step 3: Cross multiply
   14,890.16x = 22,341.72 × 10,280.72
4. Step 4: Simplify right side
   14,890.16x = 229,688,967.64
5. Step 5: Solve for x
   x = 229,688,967.64/14,890.16
6. Step 6: Final answer
   x = 15,425.55