Finding the Fourth Proportional to 15,826.02, 21,839.54 and 8,752.29

Step by Step Solution

1. Step 1: Write the proportion equation
   15,826.02 : 21,839.54 = 8,752.29 : x
2. Step 2: Convert to fraction form
   15,826.02/21,839.54 = 8,752.29/x
3. Step 3: Cross multiply
   15,826.02x = 21,839.54 × 8,752.29
4. Step 4: Simplify right side
   15,826.02x = 191,145,943.79
5. Step 5: Solve for x
   x = 191,145,943.79/15,826.02
6. Step 6: Final answer
   x = 12,077.95