Finding the Fourth Proportional to 263,619.82, 363,793.52 and 142,758.34

Step by Step Solution

1. Step 1: Write the proportion equation
   263,619.82 : 363,793.52 = 142,758.34 : x
2. Step 2: Convert to fraction form
   263,619.82/363,793.52 = 142,758.34/x
3. Step 3: Cross multiply
   263,619.82x = 363,793.52 × 142,758.34
4. Step 4: Simplify right side
   263,619.82x = 51,934,559,017.96
5. Step 5: Solve for x
   x = 51,934,559,017.96/263,619.82
6. Step 6: Final answer
   x = 197,005.52