Finding the Fourth Proportional to 78,570.22, 108,424.82 and 42,759.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,570.22 : 108,424.82 = 42,759.46 : x
2. Step 2: Convert to fraction form
   78,570.22/108,424.82 = 42,759.46/x
3. Step 3: Cross multiply
   78,570.22x = 108,424.82 × 42,759.46
4. Step 4: Simplify right side
   78,570.22x = 4,636,186,753.80
5. Step 5: Solve for x
   x = 4,636,186,753.80/78,570.22
6. Step 6: Final answer
   x = 59,006.92