Finding the Fourth Proportional to 21,891.28, 32,841.72 and 7,101.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,891.28 : 32,841.72 = 7,101.69 : x
2. Step 2: Convert to fraction form
   21,891.28/32,841.72 = 7,101.69/x
3. Step 3: Cross multiply
   21,891.28x = 32,841.72 × 7,101.69
4. Step 4: Simplify right side
   21,891.28x = 233,231,714.51
5. Step 5: Solve for x
   x = 233,231,714.51/21,891.28
6. Step 6: Final answer
   x = 10,654.09