Finding the Fourth Proportional to 42,683.43, 64,025.06 and 14,603.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,683.43 : 64,025.06 = 14,603.73 : x
2. Step 2: Convert to fraction form
   42,683.43/64,025.06 = 14,603.73/x
3. Step 3: Cross multiply
   42,683.43x = 64,025.06 × 14,603.73
4. Step 4: Simplify right side
   42,683.43x = 935,004,616.46
5. Step 5: Solve for x
   x = 935,004,616.46/42,683.43
6. Step 6: Final answer
   x = 21,905.56