Finding the Fourth Proportional to 42,174.40, 63,240.72 and 22,447.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,174.40 : 63,240.72 = 22,447.60 : x
2. Step 2: Convert to fraction form
   42,174.40/63,240.72 = 22,447.60/x
3. Step 3: Cross multiply
   42,174.40x = 63,240.72 × 22,447.60
4. Step 4: Simplify right side
   42,174.40x = 1,419,602,386.27
5. Step 5: Solve for x
   x = 1,419,602,386.27/42,174.40
6. Step 6: Final answer
   x = 33,660.29