Finding the Fourth Proportional to 14,076, 21,121.29 and 7,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,076 : 21,121.29 = 7,150.50 : x
2. Step 2: Convert to fraction form
   14,076/21,121.29 = 7,150.50/x
3. Step 3: Cross multiply
   14,076x = 21,121.29 × 7,150.50
4. Step 4: Simplify right side
   14,076x = 151,027,784.15
5. Step 5: Solve for x
   x = 151,027,784.15/14,076
6. Step 6: Final answer
   x = 10,729.45