Finding the Fourth Proportional to 263,156.52, 363,155.72 and 142,297.52

Step by Step Solution

1. Step 1: Write the proportion equation
   263,156.52 : 363,155.72 = 142,297.52 : x
2. Step 2: Convert to fraction form
   263,156.52/363,155.72 = 142,297.52/x
3. Step 3: Cross multiply
   263,156.52x = 363,155.72 × 142,297.52
4. Step 4: Simplify right side
   263,156.52x = 51,676,158,329.81
5. Step 5: Solve for x
   x = 51,676,158,329.81/263,156.52
6. Step 6: Final answer
   x = 196,370.43