Finding the Fourth Proportional to 80,393.68, 120,591.53 and 30,460.37

Step by Step Solution

1. Step 1: Write the proportion equation
   80,393.68 : 120,591.53 = 30,460.37 : x
2. Step 2: Convert to fraction form
   80,393.68/120,591.53 = 30,460.37/x
3. Step 3: Cross multiply
   80,393.68x = 120,591.53 × 30,460.37
4. Step 4: Simplify right side
   80,393.68x = 3,673,262,095.86
5. Step 5: Solve for x
   x = 3,673,262,095.86/80,393.68
6. Step 6: Final answer
   x = 45,690.93