Finding the Fourth Proportional to 107,732.25, 161,615.89 and 31,838.49

Step by Step Solution

1. Step 1: Write the proportion equation
   107,732.25 : 161,615.89 = 31,838.49 : x
2. Step 2: Convert to fraction form
   107,732.25/161,615.89 = 31,838.49/x
3. Step 3: Cross multiply
   107,732.25x = 161,615.89 × 31,838.49
4. Step 4: Simplify right side
   107,732.25x = 5,145,605,897.61
5. Step 5: Solve for x
   x = 5,145,605,897.61/107,732.25
6. Step 6: Final answer
   x = 47,762.91