Finding the Fourth Proportional to 78,732.06, 108,648.78 and 42,922.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,732.06 : 108,648.78 = 42,922.38 : x
2. Step 2: Convert to fraction form
   78,732.06/108,648.78 = 42,922.38/x
3. Step 3: Cross multiply
   78,732.06x = 108,648.78 × 42,922.38
4. Step 4: Simplify right side
   78,732.06x = 4,663,464,221.70
5. Step 5: Solve for x
   x = 4,663,464,221.70/78,732.06
6. Step 6: Final answer
   x = 59,232.09