Finding the Fourth Proportional to 107,878.23, 148,891.37 and 67,626.90

Step by Step Solution

1. Step 1: Write the proportion equation
   107,878.23 : 148,891.37 = 67,626.90 : x
2. Step 2: Convert to fraction form
   107,878.23/148,891.37 = 67,626.90/x
3. Step 3: Cross multiply
   107,878.23x = 148,891.37 × 67,626.90
4. Step 4: Simplify right side
   107,878.23x = 10,069,061,451.72
5. Step 5: Solve for x
   x = 10,069,061,451.72/107,878.23
6. Step 6: Final answer
   x = 93,337.29