Finding the Fourth Proportional to 82,483.62, 123,700.67 and 43,019.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,483.62 : 123,700.67 = 43,019.20 : x
2. Step 2: Convert to fraction form
   82,483.62/123,700.67 = 43,019.20/x
3. Step 3: Cross multiply
   82,483.62x = 123,700.67 × 43,019.20
4. Step 4: Simplify right side
   82,483.62x = 5,321,503,963.72
5. Step 5: Solve for x
   x = 5,321,503,963.72/82,483.62
6. Step 6: Final answer
   x = 64,515.89