Finding the Fourth Proportional to 263,018.71, 362,965.71 and 142,159.98

Step by Step Solution

1. Step 1: Write the proportion equation
   263,018.71 : 362,965.71 = 142,159.98 : x
2. Step 2: Convert to fraction form
   263,018.71/362,965.71 = 142,159.98/x
3. Step 3: Cross multiply
   263,018.71x = 362,965.71 × 142,159.98
4. Step 4: Simplify right side
   263,018.71x = 51,599,198,074.29
5. Step 5: Solve for x
   x = 51,599,198,074.29/263,018.71
6. Step 6: Final answer
   x = 196,180.71