Finding the Fourth Proportional to 78,160.41, 107,861.19 and 42,351.39

Step by Step Solution

1. Step 1: Write the proportion equation
   78,160.41 : 107,861.19 = 42,351.39 : x
2. Step 2: Convert to fraction form
   78,160.41/107,861.19 = 42,351.39/x
3. Step 3: Cross multiply
   78,160.41x = 107,861.19 × 42,351.39
4. Step 4: Simplify right side
   78,160.41x = 4,568,071,323.55
5. Step 5: Solve for x
   x = 4,568,071,323.55/78,160.41
6. Step 6: Final answer
   x = 58,444.82