Finding the Fourth Proportional to 269,807.82, 404,696.61 and 82,818.78

Step by Step Solution

1. Step 1: Write the proportion equation
   269,807.82 : 404,696.61 = 82,818.78 : x
2. Step 2: Convert to fraction form
   269,807.82/404,696.61 = 82,818.78/x
3. Step 3: Cross multiply
   269,807.82x = 404,696.61 × 82,818.78
4. Step 4: Simplify right side
   269,807.82x = 33,516,479,510.34
5. Step 5: Solve for x
   x = 33,516,479,510.34/269,807.82
6. Step 6: Final answer
   x = 124,223.53