Finding the Fourth Proportional to 82,397, 123,620.10 and 58,427.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,397 : 123,620.10 = 58,427.48 : x
2. Step 2: Convert to fraction form
   82,397/123,620.10 = 58,427.48/x
3. Step 3: Cross multiply
   82,397x = 123,620.10 × 58,427.48
4. Step 4: Simplify right side
   82,397x = 7,222,810,920.35
5. Step 5: Solve for x
   x = 7,222,810,920.35/82,397
6. Step 6: Final answer
   x = 87,658.66