Finding the Fourth Proportional to 108,581.49, 149,915.70 and 67,807.92

Step by Step Solution

1. Step 1: Write the proportion equation
   108,581.49 : 149,915.70 = 67,807.92 : x
2. Step 2: Convert to fraction form
   108,581.49/149,915.70 = 67,807.92/x
3. Step 3: Cross multiply
   108,581.49x = 149,915.70 × 67,807.92
4. Step 4: Simplify right side
   108,581.49x = 10,165,471,792.34
5. Step 5: Solve for x
   x = 10,165,471,792.34/108,581.49
6. Step 6: Final answer
   x = 93,620.67