Finding the Fourth Proportional to 82,055, 122,438.45 and 77,039.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,055 : 122,438.45 = 77,039.48 : x
2. Step 2: Convert to fraction form
   82,055/122,438.45 = 77,039.48/x
3. Step 3: Cross multiply
   82,055x = 122,438.45 × 77,039.48
4. Step 4: Simplify right side
   82,055x = 9,432,594,520.01
5. Step 5: Solve for x
   x = 9,432,594,520.01/82,055
6. Step 6: Final answer
   x = 114,954.54