Finding the Fourth Proportional to 42,960.61, 64,466.43 and 23,238.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,960.61 : 64,466.43 = 23,238.73 : x
2. Step 2: Convert to fraction form
   42,960.61/64,466.43 = 23,238.73/x
3. Step 3: Cross multiply
   42,960.61x = 64,466.43 × 23,238.73
4. Step 4: Simplify right side
   42,960.61x = 1,498,117,960.83
5. Step 5: Solve for x
   x = 1,498,117,960.83/42,960.61
6. Step 6: Final answer
   x = 34,871.90