Finding the Fourth Proportional to 42,942.52, 64,418.20 and 14,862.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,942.52 : 64,418.20 = 14,862.54 : x
2. Step 2: Convert to fraction form
   42,942.52/64,418.20 = 14,862.54/x
3. Step 3: Cross multiply
   42,942.52x = 64,418.20 × 14,862.54
4. Step 4: Simplify right side
   42,942.52x = 957,418,074.23
5. Step 5: Solve for x
   x = 957,418,074.23/42,942.52
6. Step 6: Final answer
   x = 22,295.34