Finding the Fourth Proportional to 140,717.27, 211,012.19 and 60,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,717.27 : 211,012.19 = 60,717.50 : x
2. Step 2: Convert to fraction form
   140,717.27/211,012.19 = 60,717.50/x
3. Step 3: Cross multiply
   140,717.27x = 211,012.19 × 60,717.50
4. Step 4: Simplify right side
   140,717.27x = 12,812,131,743.06
5. Step 5: Solve for x
   x = 12,812,131,743.06/140,717.27
6. Step 6: Final answer
   x = 91,048.75