Finding the Fourth Proportional to 82,728.09, 124,092.18 and 35,303.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,728.09 : 124,092.18 = 35,303.31 : x
2. Step 2: Convert to fraction form
   82,728.09/124,092.18 = 35,303.31/x
3. Step 3: Cross multiply
   82,728.09x = 124,092.18 × 35,303.31
4. Step 4: Simplify right side
   82,728.09x = 4,380,864,699.12
5. Step 5: Solve for x
   x = 4,380,864,699.12/82,728.09
6. Step 6: Final answer
   x = 52,954.98