Finding the Fourth Proportional to 115,453.98, 159,353.06 and 67,722.71

Step by Step Solution

1. Step 1: Write the proportion equation
   115,453.98 : 159,353.06 = 67,722.71 : x
2. Step 2: Convert to fraction form
   115,453.98/159,353.06 = 67,722.71/x
3. Step 3: Cross multiply
   115,453.98x = 159,353.06 × 67,722.71
4. Step 4: Simplify right side
   115,453.98x = 10,791,819,934.61
5. Step 5: Solve for x
   x = 10,791,819,934.61/115,453.98
6. Step 6: Final answer
   x = 93,472.91