Finding the Fourth Proportional to 82,870.80, 124,233.30 and 49,604.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,870.80 : 124,233.30 = 49,604.10 : x
2. Step 2: Convert to fraction form
   82,870.80/124,233.30 = 49,604.10/x
3. Step 3: Cross multiply
   82,870.80x = 124,233.30 × 49,604.10
4. Step 4: Simplify right side
   82,870.80x = 6,162,481,036.53
5. Step 5: Solve for x
   x = 6,162,481,036.53/82,870.80
6. Step 6: Final answer
   x = 74,362.51