Finding the Fourth Proportional to 78,743.82, 108,664.52 and 42,934.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,743.82 : 108,664.52 = 42,934.54 : x
2. Step 2: Convert to fraction form
   78,743.82/108,664.52 = 42,934.54/x
3. Step 3: Cross multiply
   78,743.82x = 108,664.52 × 42,934.54
4. Step 4: Simplify right side
   78,743.82x = 4,665,461,180.52
5. Step 5: Solve for x
   x = 4,665,461,180.52/78,743.82
6. Step 6: Final answer
   x = 59,248.60