Finding the Fourth Proportional to 42,704.55, 64,096.02 and 21,659.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,704.55 : 64,096.02 = 21,659.24 : x
2. Step 2: Convert to fraction form
   42,704.55/64,096.02 = 21,659.24/x
3. Step 3: Cross multiply
   42,704.55x = 64,096.02 × 21,659.24
4. Step 4: Simplify right side
   42,704.55x = 1,388,271,240.46
5. Step 5: Solve for x
   x = 1,388,271,240.46/42,704.55
6. Step 6: Final answer
   x = 32,508.74