Finding the Fourth Proportional to 42,662.38, 63,972.52 and 13,073.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,662.38 : 63,972.52 = 13,073.08 : x
2. Step 2: Convert to fraction form
   42,662.38/63,972.52 = 13,073.08/x
3. Step 3: Cross multiply
   42,662.38x = 63,972.52 × 13,073.08
4. Step 4: Simplify right side
   42,662.38x = 836,317,871.76
5. Step 5: Solve for x
   x = 836,317,871.76/42,662.38
6. Step 6: Final answer
   x = 19,603.17