Finding the Fourth Proportional to 42,012.16, 63,133.98 and 22,305.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012.16 : 63,133.98 = 22,305.48 : x
2. Step 2: Convert to fraction form
   42,012.16/63,133.98 = 22,305.48/x
3. Step 3: Cross multiply
   42,012.16x = 63,133.98 × 22,305.48
4. Step 4: Simplify right side
   42,012.16x = 1,408,233,728.21
5. Step 5: Solve for x
   x = 1,408,233,728.21/42,012.16
6. Step 6: Final answer
   x = 33,519.67