Finding the Fourth Proportional to 262,142.88, 361,762.32 and 142,910.88

Step by Step Solution

1. Step 1: Write the proportion equation
   262,142.88 : 361,762.32 = 142,910.88 : x
2. Step 2: Convert to fraction form
   262,142.88/361,762.32 = 142,910.88/x
3. Step 3: Cross multiply
   262,142.88x = 361,762.32 × 142,910.88
4. Step 4: Simplify right side
   262,142.88x = 51,699,771,502.04
5. Step 5: Solve for x
   x = 51,699,771,502.04/262,142.88
6. Step 6: Final answer
   x = 197,219.82