Finding the Fourth Proportional to 263,532.86, 363,672.82 and 142,671.05

Step by Step Solution

1. Step 1: Write the proportion equation
   263,532.86 : 363,672.82 = 142,671.05 : x
2. Step 2: Convert to fraction form
   263,532.86/363,672.82 = 142,671.05/x
3. Step 3: Cross multiply
   263,532.86x = 363,672.82 × 142,671.05
4. Step 4: Simplify right side
   263,532.86x = 51,885,583,085.86
5. Step 5: Solve for x
   x = 51,885,583,085.86/263,532.86
6. Step 6: Final answer
   x = 196,884.68