Finding the Fourth Proportional to 42,348.72, 63,561.15 and 22,644.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,348.72 : 63,561.15 = 22,644.12 : x
2. Step 2: Convert to fraction form
   42,348.72/63,561.15 = 22,644.12/x
3. Step 3: Cross multiply
   42,348.72x = 63,561.15 × 22,644.12
4. Step 4: Simplify right side
   42,348.72x = 1,439,286,307.94
5. Step 5: Solve for x
   x = 1,439,286,307.94/42,348.72
6. Step 6: Final answer
   x = 33,986.54