Finding the Fourth Proportional to 260,742.72, 359,825.10 and 141,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   260,742.72 : 359,825.10 = 141,510.72 : x
2. Step 2: Convert to fraction form
   260,742.72/359,825.10 = 141,510.72/x
3. Step 3: Cross multiply
   260,742.72x = 359,825.10 × 141,510.72
4. Step 4: Simplify right side
   260,742.72x = 50,919,108,975.07
5. Step 5: Solve for x
   x = 50,919,108,975.07/260,742.72
6. Step 6: Final answer
   x = 195,284.87