Finding the Fourth Proportional to 42,401.58, 63,608.05 and 22,420.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,401.58 : 63,608.05 = 22,420.73 : x
2. Step 2: Convert to fraction form
   42,401.58/63,608.05 = 22,420.73/x
3. Step 3: Cross multiply
   42,401.58x = 63,608.05 × 22,420.73
4. Step 4: Simplify right side
   42,401.58x = 1,426,139,101.92
5. Step 5: Solve for x
   x = 1,426,139,101.92/42,401.58
6. Step 6: Final answer
   x = 33,634.11