Finding the Fourth Proportional to 78,425.33, 108,223.97 and 42,614.55

Step by Step Solution

1. Step 1: Write the proportion equation
   78,425.33 : 108,223.97 = 42,614.55 : x
2. Step 2: Convert to fraction form
   78,425.33/108,223.97 = 42,614.55/x
3. Step 3: Cross multiply
   78,425.33x = 108,223.97 × 42,614.55
4. Step 4: Simplify right side
   78,425.33x = 4,611,915,567.69
5. Step 5: Solve for x
   x = 4,611,915,567.69/78,425.33
6. Step 6: Final answer
   x = 58,806.46