Finding the Fourth Proportional to 21,391.84, 32,061 and 10,295.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,391.84 : 32,061 = 10,295.56 : x
2. Step 2: Convert to fraction form
   21,391.84/32,061 = 10,295.56/x
3. Step 3: Cross multiply
   21,391.84x = 32,061 × 10,295.56
4. Step 4: Simplify right side
   21,391.84x = 330,085,788.86
5. Step 5: Solve for x
   x = 330,085,788.86/21,391.84
6. Step 6: Final answer
   x = 15,430.46