Finding the Fourth Proportional to 199,300.29, 274,947.96 and 126,664.38

Step by Step Solution

1. Step 1: Write the proportion equation
   199,300.29 : 274,947.96 = 126,664.38 : x
2. Step 2: Convert to fraction form
   199,300.29/274,947.96 = 126,664.38/x
3. Step 3: Cross multiply
   199,300.29x = 274,947.96 × 126,664.38
4. Step 4: Simplify right side
   199,300.29x = 34,826,112,885.66
5. Step 5: Solve for x
   x = 34,826,112,885.66/199,300.29
6. Step 6: Final answer
   x = 174,741.91