Finding the Fourth Proportional to 42,815.88, 64,223.34 and 16,502.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,815.88 : 64,223.34 = 16,502.16 : x
2. Step 2: Convert to fraction form
   42,815.88/64,223.34 = 16,502.16/x
3. Step 3: Cross multiply
   42,815.88x = 64,223.34 × 16,502.16
4. Step 4: Simplify right side
   42,815.88x = 1,059,823,832.41
5. Step 5: Solve for x
   x = 1,059,823,832.41/42,815.88
6. Step 6: Final answer
   x = 24,753.05