Finding the Fourth Proportional to 25,753.69, 38,578.59 and 21,581.99

Step by Step Solution

1. Step 1: Write the proportion equation
   25,753.69 : 38,578.59 = 21,581.99 : x
2. Step 2: Convert to fraction form
   25,753.69/38,578.59 = 21,581.99/x
3. Step 3: Cross multiply
   25,753.69x = 38,578.59 × 21,581.99
4. Step 4: Simplify right side
   25,753.69x = 832,602,743.59
5. Step 5: Solve for x
   x = 832,602,743.59/25,753.69
6. Step 6: Final answer
   x = 32,329.45