Finding the Fourth Proportional to 42,035.72, 63,072.15 and 22,040.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,035.72 : 63,072.15 = 22,040.43 : x
2. Step 2: Convert to fraction form
   42,035.72/63,072.15 = 22,040.43/x
3. Step 3: Cross multiply
   42,035.72x = 63,072.15 × 22,040.43
4. Step 4: Simplify right side
   42,035.72x = 1,390,137,466.61
5. Step 5: Solve for x
   x = 1,390,137,466.61/42,035.72
6. Step 6: Final answer
   x = 33,070.39