Finding the Fourth Proportional to 108,665.89, 162,984.99 and 42,060.45

Step by Step Solution

1. Step 1: Write the proportion equation
   108,665.89 : 162,984.99 = 42,060.45 : x
2. Step 2: Convert to fraction form
   108,665.89/162,984.99 = 42,060.45/x
3. Step 3: Cross multiply
   108,665.89x = 162,984.99 × 42,060.45
4. Step 4: Simplify right side
   108,665.89x = 6,855,222,022.65
5. Step 5: Solve for x
   x = 6,855,222,022.65/108,665.89
6. Step 6: Final answer
   x = 63,085.32