Finding the Fourth Proportional to 85,849.71, 118,448.46 and 67,643.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,849.71 : 118,448.46 = 67,643.98 : x
2. Step 2: Convert to fraction form
   85,849.71/118,448.46 = 67,643.98/x
3. Step 3: Cross multiply
   85,849.71x = 118,448.46 × 67,643.98
4. Step 4: Simplify right side
   85,849.71x = 8,012,324,963.15
5. Step 5: Solve for x
   x = 8,012,324,963.15/85,849.71
6. Step 6: Final answer
   x = 93,329.67