Finding the Fourth Proportional to 16,839.72, 23,237.86 and 10,466.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,839.72 : 23,237.86 = 10,466.15 : x
2. Step 2: Convert to fraction form
   16,839.72/23,237.86 = 10,466.15/x
3. Step 3: Cross multiply
   16,839.72x = 23,237.86 × 10,466.15
4. Step 4: Simplify right side
   16,839.72x = 243,210,759.92
5. Step 5: Solve for x
   x = 243,210,759.92/16,839.72
6. Step 6: Final answer
   x = 14,442.69