Finding the Fourth Proportional to 108,865.62, 150,233.94 and 61,118.82

Step by Step Solution

1. Step 1: Write the proportion equation
   108,865.62 : 150,233.94 = 61,118.82 : x
2. Step 2: Convert to fraction form
   108,865.62/150,233.94 = 61,118.82/x
3. Step 3: Cross multiply
   108,865.62x = 150,233.94 × 61,118.82
4. Step 4: Simplify right side
   108,865.62x = 9,182,121,136.75
5. Step 5: Solve for x
   x = 9,182,121,136.75/108,865.62
6. Step 6: Final answer
   x = 84,343.63