Finding the Fourth Proportional to 107,543.82, 148,424.31 and 65,103.06

Step by Step Solution

1. Step 1: Write the proportion equation
   107,543.82 : 148,424.31 = 65,103.06 : x
2. Step 2: Convert to fraction form
   107,543.82/148,424.31 = 65,103.06/x
3. Step 3: Cross multiply
   107,543.82x = 148,424.31 × 65,103.06
4. Step 4: Simplify right side
   107,543.82x = 9,662,876,759.39
5. Step 5: Solve for x
   x = 9,662,876,759.39/107,543.82
6. Step 6: Final answer
   x = 89,850.60