Finding the Fourth Proportional to 108,859.41, 150,215.72 and 61,103.43

Step by Step Solution

1. Step 1: Write the proportion equation
   108,859.41 : 150,215.72 = 61,103.43 : x
2. Step 2: Convert to fraction form
   108,859.41/150,215.72 = 61,103.43/x
3. Step 3: Cross multiply
   108,859.41x = 150,215.72 × 61,103.43
4. Step 4: Simplify right side
   108,859.41x = 9,178,695,426.40
5. Step 5: Solve for x
   x = 9,178,695,426.40/108,859.41
6. Step 6: Final answer
   x = 84,316.97