Finding the Fourth Proportional to 191,323.96, 264,391.20 and 143,494.27

Step by Step Solution

1. Step 1: Write the proportion equation
   191,323.96 : 264,391.20 = 143,494.27 : x
2. Step 2: Convert to fraction form
   191,323.96/264,391.20 = 143,494.27/x
3. Step 3: Cross multiply
   191,323.96x = 264,391.20 × 143,494.27
4. Step 4: Simplify right side
   191,323.96x = 37,938,622,238.42
5. Step 5: Solve for x
   x = 37,938,622,238.42/191,323.96
6. Step 6: Final answer
   x = 198,295.20