Finding the Fourth Proportional to 21,488.48, 32,224.51 and 8,339.14

Step by Step Solution

1. Step 1: Write the proportion equation
   21,488.48 : 32,224.51 = 8,339.14 : x
2. Step 2: Convert to fraction form
   21,488.48/32,224.51 = 8,339.14/x
3. Step 3: Cross multiply
   21,488.48x = 32,224.51 × 8,339.14
4. Step 4: Simplify right side
   21,488.48x = 268,724,700.32
5. Step 5: Solve for x
   x = 268,724,700.32/21,488.48
6. Step 6: Final answer
   x = 12,505.52