Finding the Fourth Proportional to 14,551.21, 21,835.02 and 7,156.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,551.21 : 21,835.02 = 7,156.42 : x
2. Step 2: Convert to fraction form
   14,551.21/21,835.02 = 7,156.42/x
3. Step 3: Cross multiply
   14,551.21x = 21,835.02 × 7,156.42
4. Step 4: Simplify right side
   14,551.21x = 156,260,573.83
5. Step 5: Solve for x
   x = 156,260,573.83/14,551.21
6. Step 6: Final answer
   x = 10,738.67