Finding the Fourth Proportional to 14,128.52, 21,191.66 and 7,101.36

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.52 : 21,191.66 = 7,101.36 : x
2. Step 2: Convert to fraction form
   14,128.52/21,191.66 = 7,101.36/x
3. Step 3: Cross multiply
   14,128.52x = 21,191.66 × 7,101.36
4. Step 4: Simplify right side
   14,128.52x = 150,489,597.78
5. Step 5: Solve for x
   x = 150,489,597.78/14,128.52
6. Step 6: Final answer
   x = 10,651.48