Finding the Fourth Proportional to 115,685.40, 159,627.86 and 67,297.98

Step by Step Solution

1. Step 1: Write the proportion equation
   115,685.40 : 159,627.86 = 67,297.98 : x
2. Step 2: Convert to fraction form
   115,685.40/159,627.86 = 67,297.98/x
3. Step 3: Cross multiply
   115,685.40x = 159,627.86 × 67,297.98
4. Step 4: Simplify right side
   115,685.40x = 10,742,632,529.72
5. Step 5: Solve for x
   x = 10,742,632,529.72/115,685.40
6. Step 6: Final answer
   x = 92,860.75