Finding the Fourth Proportional to 107,711, 148,544.41 and 67,428.43

Step by Step Solution

1. Step 1: Write the proportion equation
   107,711 : 148,544.41 = 67,428.43 : x
2. Step 2: Convert to fraction form
   107,711/148,544.41 = 67,428.43/x
3. Step 3: Cross multiply
   107,711x = 148,544.41 × 67,428.43
4. Step 4: Simplify right side
   107,711x = 10,016,116,351.58
5. Step 5: Solve for x
   x = 10,016,116,351.58/107,711
6. Step 6: Final answer
   x = 92,990.65