Finding the Fourth Proportional to 106,287.47, 159,433.59 and 39,691.27

Step by Step Solution

1. Step 1: Write the proportion equation
   106,287.47 : 159,433.59 = 39,691.27 : x
2. Step 2: Convert to fraction form
   106,287.47/159,433.59 = 39,691.27/x
3. Step 3: Cross multiply
   106,287.47x = 159,433.59 × 39,691.27
4. Step 4: Simplify right side
   106,287.47x = 6,328,121,667.76
5. Step 5: Solve for x
   x = 6,328,121,667.76/106,287.47
6. Step 6: Final answer
   x = 59,537.80