Finding the Fourth Proportional to 15,838.02, 21,855.33 and 8,764.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,838.02 : 21,855.33 = 8,764.56 : x
2. Step 2: Convert to fraction form
   15,838.02/21,855.33 = 8,764.56/x
3. Step 3: Cross multiply
   15,838.02x = 21,855.33 × 8,764.56
4. Step 4: Simplify right side
   15,838.02x = 191,552,361.92
5. Step 5: Solve for x
   x = 191,552,361.92/15,838.02
6. Step 6: Final answer
   x = 12,094.46