Finding the Fourth Proportional to 108,667.53, 162,987.42 and 42,062.09

Step by Step Solution

1. Step 1: Write the proportion equation
   108,667.53 : 162,987.42 = 42,062.09 : x
2. Step 2: Convert to fraction form
   108,667.53/162,987.42 = 42,062.09/x
3. Step 3: Cross multiply
   108,667.53x = 162,987.42 × 42,062.09
4. Step 4: Simplify right side
   108,667.53x = 6,855,590,713.97
5. Step 5: Solve for x
   x = 6,855,590,713.97/108,667.53
6. Step 6: Final answer
   x = 63,087.76