Finding the Fourth Proportional to 83,238.24, 124,869.80 and 30,643.73

Step by Step Solution

1. Step 1: Write the proportion equation
   83,238.24 : 124,869.80 = 30,643.73 : x
2. Step 2: Convert to fraction form
   83,238.24/124,869.80 = 30,643.73/x
3. Step 3: Cross multiply
   83,238.24x = 124,869.80 × 30,643.73
4. Step 4: Simplify right side
   83,238.24x = 3,826,476,436.35
5. Step 5: Solve for x
   x = 3,826,476,436.35/83,238.24
6. Step 6: Final answer
   x = 45,970.17