Finding the Fourth Proportional to 215,908.56, 323,866.89 and 73,786.41

Step by Step Solution

1. Step 1: Write the proportion equation
   215,908.56 : 323,866.89 = 73,786.41 : x
2. Step 2: Convert to fraction form
   215,908.56/323,866.89 = 73,786.41/x
3. Step 3: Cross multiply
   215,908.56x = 323,866.89 × 73,786.41
4. Step 4: Simplify right side
   215,908.56x = 23,896,975,130.96
5. Step 5: Solve for x
   x = 23,896,975,130.96/215,908.56
6. Step 6: Final answer
   x = 110,681.00