Finding the Fourth Proportional to 254,228.01, 381,364.18 and 83,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,228.01 : 381,364.18 = 83,398.50 : x
2. Step 2: Convert to fraction form
   254,228.01/381,364.18 = 83,398.50/x
3. Step 3: Cross multiply
   254,228.01x = 381,364.18 × 83,398.50
4. Step 4: Simplify right side
   254,228.01x = 31,805,200,357.23
5. Step 5: Solve for x
   x = 31,805,200,357.23/254,228.01
6. Step 6: Final answer
   x = 125,105.02