Finding the Fourth Proportional to 263,055.60, 363,018.42 and 142,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   263,055.60 : 363,018.42 = 142,196.76 : x
2. Step 2: Convert to fraction form
   263,055.60/363,018.42 = 142,196.76/x
3. Step 3: Cross multiply
   263,055.60x = 363,018.42 × 142,196.76
4. Step 4: Simplify right side
   263,055.60x = 51,620,043,144.32
5. Step 5: Solve for x
   x = 51,620,043,144.32/263,055.60
6. Step 6: Final answer
   x = 196,232.44