Finding the Fourth Proportional to 82,395, 123,617.10 and 58,425.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,395 : 123,617.10 = 58,425.48 : x
2. Step 2: Convert to fraction form
   82,395/123,617.10 = 58,425.48/x
3. Step 3: Cross multiply
   82,395x = 123,617.10 × 58,425.48
4. Step 4: Simplify right side
   82,395x = 7,222,388,403.71
5. Step 5: Solve for x
   x = 7,222,388,403.71/82,395
6. Step 6: Final answer
   x = 87,655.66