Finding the Fourth Proportional to 82,002.13, 123,020.46 and 46,480.47

Step by Step Solution

1. Step 1: Write the proportion equation
   82,002.13 : 123,020.46 = 46,480.47 : x
2. Step 2: Convert to fraction form
   82,002.13/123,020.46 = 46,480.47/x
3. Step 3: Cross multiply
   82,002.13x = 123,020.46 × 46,480.47
4. Step 4: Simplify right side
   82,002.13x = 5,718,048,185.31
5. Step 5: Solve for x
   x = 5,718,048,185.31/82,002.13
6. Step 6: Final answer
   x = 69,730.48