Finding the Fourth Proportional to 42,415.56, 63,641.34 and 22,689

Step by Step Solution

1. Step 1: Write the proportion equation
   42,415.56 : 63,641.34 = 22,689 : x
2. Step 2: Convert to fraction form
   42,415.56/63,641.34 = 22,689/x
3. Step 3: Cross multiply
   42,415.56x = 63,641.34 × 22,689
4. Step 4: Simplify right side
   42,415.56x = 1,443,958,363.26
5. Step 5: Solve for x
   x = 1,443,958,363.26/42,415.56
6. Step 6: Final answer
   x = 34,043.13