Finding the Fourth Proportional to 80,326.86, 120,515.47 and 48,340.83

Step by Step Solution

1. Step 1: Write the proportion equation
   80,326.86 : 120,515.47 = 48,340.83 : x
2. Step 2: Convert to fraction form
   80,326.86/120,515.47 = 48,340.83/x
3. Step 3: Cross multiply
   80,326.86x = 120,515.47 × 48,340.83
4. Step 4: Simplify right side
   80,326.86x = 5,825,818,178.72
5. Step 5: Solve for x
   x = 5,825,818,178.72/80,326.86
6. Step 6: Final answer
   x = 72,526.41