Finding the Fourth Proportional to 151,414.73, 208,934.06 and 86,880.41

Step by Step Solution

1. Step 1: Write the proportion equation
   151,414.73 : 208,934.06 = 86,880.41 : x
2. Step 2: Convert to fraction form
   151,414.73/208,934.06 = 86,880.41/x
3. Step 3: Cross multiply
   151,414.73x = 208,934.06 × 86,880.41
4. Step 4: Simplify right side
   151,414.73x = 18,152,275,316.69
5. Step 5: Solve for x
   x = 18,152,275,316.69/151,414.73
6. Step 6: Final answer
   x = 119,884.48