Finding the Fourth Proportional to 268,870.50, 403,390.52 and 126,710.04

Step by Step Solution

1. Step 1: Write the proportion equation
   268,870.50 : 403,390.52 = 126,710.04 : x
2. Step 2: Convert to fraction form
   268,870.50/403,390.52 = 126,710.04/x
3. Step 3: Cross multiply
   268,870.50x = 403,390.52 × 126,710.04
4. Step 4: Simplify right side
   268,870.50x = 51,113,628,924.82
5. Step 5: Solve for x
   x = 51,113,628,924.82/268,870.50
6. Step 6: Final answer
   x = 190,105.01