Finding the Fourth Proportional to 80,523, 120,818.61 and 43,073.25

Step by Step Solution

1. Step 1: Write the proportion equation
   80,523 : 120,818.61 = 43,073.25 : x
2. Step 2: Convert to fraction form
   80,523/120,818.61 = 43,073.25/x
3. Step 3: Cross multiply
   80,523x = 120,818.61 × 43,073.25
4. Step 4: Simplify right side
   80,523x = 5,204,050,193.18
5. Step 5: Solve for x
   x = 5,204,050,193.18/80,523
6. Step 6: Final answer
   x = 64,628.12