Finding the Fourth Proportional to 82,074.84, 123,112.40 and 46,990.23

Step by Step Solution

1. Step 1: Write the proportion equation
   82,074.84 : 123,112.40 = 46,990.23 : x
2. Step 2: Convert to fraction form
   82,074.84/123,112.40 = 46,990.23/x
3. Step 3: Cross multiply
   82,074.84x = 123,112.40 × 46,990.23
4. Step 4: Simplify right side
   82,074.84x = 5,785,079,756.90
5. Step 5: Solve for x
   x = 5,785,079,756.90/82,074.84
6. Step 6: Final answer
   x = 70,485.42