Finding the Fourth Proportional to 67,929.54, 93,721.71 and 39,615.18

Step by Step Solution

1. Step 1: Write the proportion equation
   67,929.54 : 93,721.71 = 39,615.18 : x
2. Step 2: Convert to fraction form
   67,929.54/93,721.71 = 39,615.18/x
3. Step 3: Cross multiply
   67,929.54x = 93,721.71 × 39,615.18
4. Step 4: Simplify right side
   67,929.54x = 3,712,802,411.56
5. Step 5: Solve for x
   x = 3,712,802,411.56/67,929.54
6. Step 6: Final answer
   x = 54,656.67