Finding the Fourth Proportional to 80,532.52, 120,780.42 and 30,618.16

Step by Step Solution

1. Step 1: Write the proportion equation
   80,532.52 : 120,780.42 = 30,618.16 : x
2. Step 2: Convert to fraction form
   80,532.52/120,780.42 = 30,618.16/x
3. Step 3: Cross multiply
   80,532.52x = 120,780.42 × 30,618.16
4. Step 4: Simplify right side
   80,532.52x = 3,698,074,224.43
5. Step 5: Solve for x
   x = 3,698,074,224.43/80,532.52
6. Step 6: Final answer
   x = 45,920.26