Finding the Fourth Proportional to 86,151.89, 118,889.69 and 47,910.61

Step by Step Solution

1. Step 1: Write the proportion equation
   86,151.89 : 118,889.69 = 47,910.61 : x
2. Step 2: Convert to fraction form
   86,151.89/118,889.69 = 47,910.61/x
3. Step 3: Cross multiply
   86,151.89x = 118,889.69 × 47,910.61
4. Step 4: Simplify right side
   86,151.89x = 5,696,077,033.83
5. Step 5: Solve for x
   x = 5,696,077,033.83/86,151.89
6. Step 6: Final answer
   x = 66,116.68