Finding the Fourth Proportional to 263,457.47, 363,572.41 and 142,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   263,457.47 : 363,572.41 = 142,598.72 : x
2. Step 2: Convert to fraction form
   263,457.47/363,572.41 = 142,598.72/x
3. Step 3: Cross multiply
   263,457.47x = 363,572.41 × 142,598.72
4. Step 4: Simplify right side
   263,457.47x = 51,844,960,293.32
5. Step 5: Solve for x
   x = 51,844,960,293.32/263,457.47
6. Step 6: Final answer
   x = 196,786.83