Finding the Fourth Proportional to 263,300.54, 363,353.10 and 142,441.34

Step by Step Solution

1. Step 1: Write the proportion equation
   263,300.54 : 363,353.10 = 142,441.34 : x
2. Step 2: Convert to fraction form
   263,300.54/363,353.10 = 142,441.34/x
3. Step 3: Cross multiply
   263,300.54x = 363,353.10 × 142,441.34
4. Step 4: Simplify right side
   263,300.54x = 51,756,502,457.15
5. Step 5: Solve for x
   x = 51,756,502,457.15/263,300.54
6. Step 6: Final answer
   x = 196,568.16