Finding the Fourth Proportional to 168,061.39, 251,939.50 and 83,847.31

Step by Step Solution

1. Step 1: Write the proportion equation
   168,061.39 : 251,939.50 = 83,847.31 : x
2. Step 2: Convert to fraction form
   168,061.39/251,939.50 = 83,847.31/x
3. Step 3: Cross multiply
   168,061.39x = 251,939.50 × 83,847.31
4. Step 4: Simplify right side
   168,061.39x = 21,124,448,518.28
5. Step 5: Solve for x
   x = 21,124,448,518.28/168,061.39
6. Step 6: Final answer
   x = 125,694.84