Finding the Fourth Proportional to 21,443.34, 32,090.16 and 16,368.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,443.34 : 32,090.16 = 16,368.81 : x
2. Step 2: Convert to fraction form
   21,443.34/32,090.16 = 16,368.81/x
3. Step 3: Cross multiply
   21,443.34x = 32,090.16 × 16,368.81
4. Step 4: Simplify right side
   21,443.34x = 525,277,731.91
5. Step 5: Solve for x
   x = 525,277,731.91/21,443.34
6. Step 6: Final answer
   x = 24,496.08