Finding the Fourth Proportional to 292,902.82, 439,196.18 and 132,891.42

Step by Step Solution

1. Step 1: Write the proportion equation
   292,902.82 : 439,196.18 = 132,891.42 : x
2. Step 2: Convert to fraction form
   292,902.82/439,196.18 = 132,891.42/x
3. Step 3: Cross multiply
   292,902.82x = 439,196.18 × 132,891.42
4. Step 4: Simplify right side
   292,902.82x = 58,365,402,530.83
5. Step 5: Solve for x
   x = 58,365,402,530.83/292,902.82
6. Step 6: Final answer
   x = 199,265.42