Finding the Fourth Proportional to 82,897.73, 124,377.39 and 57,583.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,897.73 : 124,377.39 = 57,583.91 : x
2. Step 2: Convert to fraction form
   82,897.73/124,377.39 = 57,583.91/x
3. Step 3: Cross multiply
   82,897.73x = 124,377.39 × 57,583.91
4. Step 4: Simplify right side
   82,897.73x = 7,162,136,431.79
5. Step 5: Solve for x
   x = 7,162,136,431.79/82,897.73
6. Step 6: Final answer
   x = 86,397.26