Finding the Fourth Proportional to 78,144.33, 107,838.83 and 42,334.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,144.33 : 107,838.83 = 42,334.43 : x
2. Step 2: Convert to fraction form
   78,144.33/107,838.83 = 42,334.43/x
3. Step 3: Cross multiply
   78,144.33x = 107,838.83 × 42,334.43
4. Step 4: Simplify right side
   78,144.33x = 4,565,295,188.24
5. Step 5: Solve for x
   x = 4,565,295,188.24/78,144.33
6. Step 6: Final answer
   x = 58,421.32