Finding the Fourth Proportional to 78,546.12, 108,394.11 and 42,736.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,546.12 : 108,394.11 = 42,736.38 : x
2. Step 2: Convert to fraction form
   78,546.12/108,394.11 = 42,736.38/x
3. Step 3: Cross multiply
   78,546.12x = 108,394.11 × 42,736.38
4. Step 4: Simplify right side
   78,546.12x = 4,632,371,874.72
5. Step 5: Solve for x
   x = 4,632,371,874.72/78,546.12
6. Step 6: Final answer
   x = 58,976.46