Finding the Fourth Proportional to 42,172.16, 63,269.20 and 22,434.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,172.16 : 63,269.20 = 22,434.48 : x
2. Step 2: Convert to fraction form
   42,172.16/63,269.20 = 22,434.48/x
3. Step 3: Cross multiply
   42,172.16x = 63,269.20 × 22,434.48
4. Step 4: Simplify right side
   42,172.16x = 1,419,411,602.02
5. Step 5: Solve for x
   x = 1,419,411,602.02/42,172.16
6. Step 6: Final answer
   x = 33,657.55