Finding the Fourth Proportional to 21,368.72, 32,009.56 and 17,434

Step by Step Solution

1. Step 1: Write the proportion equation
   21,368.72 : 32,009.56 = 17,434 : x
2. Step 2: Convert to fraction form
   21,368.72/32,009.56 = 17,434/x
3. Step 3: Cross multiply
   21,368.72x = 32,009.56 × 17,434
4. Step 4: Simplify right side
   21,368.72x = 558,054,669.04
5. Step 5: Solve for x
   x = 558,054,669.04/21,368.72
6. Step 6: Final answer
   x = 26,115.49