Finding the Fourth Proportional to 21,398.69, 32,076.17 and 7,354.51

Step by Step Solution

1. Step 1: Write the proportion equation
   21,398.69 : 32,076.17 = 7,354.51 : x
2. Step 2: Convert to fraction form
   21,398.69/32,076.17 = 7,354.51/x
3. Step 3: Cross multiply
   21,398.69x = 32,076.17 × 7,354.51
4. Step 4: Simplify right side
   21,398.69x = 235,904,423.64
5. Step 5: Solve for x
   x = 235,904,423.64/21,398.69
6. Step 6: Final answer
   x = 11,024.24