Finding the Fourth Proportional to 263,124, 363,111.12 and 143,892

Step by Step Solution

1. Step 1: Write the proportion equation
   263,124 : 363,111.12 = 143,892 : x
2. Step 2: Convert to fraction form
   263,124/363,111.12 = 143,892/x
3. Step 3: Cross multiply
   263,124x = 363,111.12 × 143,892
4. Step 4: Simplify right side
   263,124x = 52,248,785,279.04
5. Step 5: Solve for x
   x = 52,248,785,279.04/263,124
6. Step 6: Final answer
   x = 198,570.96