Finding the Fourth Proportional to 80,503.59, 120,755.82 and 47,200.32

Step by Step Solution

1. Step 1: Write the proportion equation
   80,503.59 : 120,755.82 = 47,200.32 : x
2. Step 2: Convert to fraction form
   80,503.59/120,755.82 = 47,200.32/x
3. Step 3: Cross multiply
   80,503.59x = 120,755.82 × 47,200.32
4. Step 4: Simplify right side
   80,503.59x = 5,699,713,345.86
5. Step 5: Solve for x
   x = 5,699,713,345.86/80,503.59
6. Step 6: Final answer
   x = 70,800.74