Finding the Fourth Proportional to 78,032.62, 107,684.67 and 42,223.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,032.62 : 107,684.67 = 42,223.27 : x
2. Step 2: Convert to fraction form
   78,032.62/107,684.67 = 42,223.27/x
3. Step 3: Cross multiply
   78,032.62x = 107,684.67 × 42,223.27
4. Step 4: Simplify right side
   78,032.62x = 4,546,798,357.85
5. Step 5: Solve for x
   x = 4,546,798,357.85/78,032.62
6. Step 6: Final answer
   x = 58,267.92