Finding the Fourth Proportional to 78,162.34, 107,864.12 and 42,352.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,162.34 : 107,864.12 = 42,352.34 : x
2. Step 2: Convert to fraction form
   78,162.34/107,864.12 = 42,352.34/x
3. Step 3: Cross multiply
   78,162.34x = 107,864.12 × 42,352.34
4. Step 4: Simplify right side
   78,162.34x = 4,568,298,259.58
5. Step 5: Solve for x
   x = 4,568,298,259.58/78,162.34
6. Step 6: Final answer
   x = 58,446.29