Finding the Fourth Proportional to 263,412.83, 363,510.61 and 142,554.08

Step by Step Solution

1. Step 1: Write the proportion equation
   263,412.83 : 363,510.61 = 142,554.08 : x
2. Step 2: Convert to fraction form
   263,412.83/363,510.61 = 142,554.08/x
3. Step 3: Cross multiply
   263,412.83x = 363,510.61 × 142,554.08
4. Step 4: Simplify right side
   263,412.83x = 51,819,921,131.18
5. Step 5: Solve for x
   x = 51,819,921,131.18/263,412.83
6. Step 6: Final answer
   x = 196,725.12