Finding the Fourth Proportional to 21,738.55, 32,548.55 and 16,457.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,738.55 : 32,548.55 = 16,457.59 : x
2. Step 2: Convert to fraction form
   21,738.55/32,548.55 = 16,457.59/x
3. Step 3: Cross multiply
   21,738.55x = 32,548.55 × 16,457.59
4. Step 4: Simplify right side
   21,738.55x = 535,670,527.34
5. Step 5: Solve for x
   x = 535,670,527.34/21,738.55
6. Step 6: Final answer
   x = 24,641.50