Finding the Fourth Proportional to 260,722.42, 359,796.92 and 141,490.42

Step by Step Solution

1. Step 1: Write the proportion equation
   260,722.42 : 359,796.92 = 141,490.42 : x
2. Step 2: Convert to fraction form
   260,722.42/359,796.92 = 141,490.42/x
3. Step 3: Cross multiply
   260,722.42x = 359,796.92 × 141,490.42
4. Step 4: Simplify right side
   260,722.42x = 50,907,815,718.56
5. Step 5: Solve for x
   x = 50,907,815,718.56/260,722.42
6. Step 6: Final answer
   x = 195,256.76