Finding the Fourth Proportional to 42,105.60, 63,231.30 and 22,422.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,105.60 : 63,231.30 = 22,422.60 : x
2. Step 2: Convert to fraction form
   42,105.60/63,231.30 = 22,422.60/x
3. Step 3: Cross multiply
   42,105.60x = 63,231.30 × 22,422.60
4. Step 4: Simplify right side
   42,105.60x = 1,417,810,147.38
5. Step 5: Solve for x
   x = 1,417,810,147.38/42,105.60
6. Step 6: Final answer
   x = 33,672.72