Finding the Fourth Proportional to 86,123.94, 118,854.06 and 47,894.32

Step by Step Solution

1. Step 1: Write the proportion equation
   86,123.94 : 118,854.06 = 47,894.32 : x
2. Step 2: Convert to fraction form
   86,123.94/118,854.06 = 47,894.32/x
3. Step 3: Cross multiply
   86,123.94x = 118,854.06 × 47,894.32
4. Step 4: Simplify right side
   86,123.94x = 5,692,434,382.94
5. Step 5: Solve for x
   x = 5,692,434,382.94/86,123.94
6. Step 6: Final answer
   x = 66,095.84