Finding the Fourth Proportional to 80,081.78, 110,509.38 and 43,782.53

Step by Step Solution

1. Step 1: Write the proportion equation
   80,081.78 : 110,509.38 = 43,782.53 : x
2. Step 2: Convert to fraction form
   80,081.78/110,509.38 = 43,782.53/x
3. Step 3: Cross multiply
   80,081.78x = 110,509.38 × 43,782.53
4. Step 4: Simplify right side
   80,081.78x = 4,838,379,692.58
5. Step 5: Solve for x
   x = 4,838,379,692.58/80,081.78
6. Step 6: Final answer
   x = 60,417.99