Finding the Fourth Proportional to 194,734.21, 268,564.98 and 126,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194,734.21 : 268,564.98 = 126,726.72 : x
2. Step 2: Convert to fraction form
   194,734.21/268,564.98 = 126,726.72/x
3. Step 3: Cross multiply
   194,734.21x = 268,564.98 × 126,726.72
4. Step 4: Simplify right side
   194,734.21x = 34,034,359,022.27
5. Step 5: Solve for x
   x = 34,034,359,022.27/194,734.21
6. Step 6: Final answer
   x = 174,773.40