Finding the Fourth Proportional to 82,316.81, 123,496.47 and 25,389.43

Step by Step Solution

1. Step 1: Write the proportion equation
   82,316.81 : 123,496.47 = 25,389.43 : x
2. Step 2: Convert to fraction form
   82,316.81/123,496.47 = 25,389.43/x
3. Step 3: Cross multiply
   82,316.81x = 123,496.47 × 25,389.43
4. Step 4: Simplify right side
   82,316.81x = 3,135,505,363.00
5. Step 5: Solve for x
   x = 3,135,505,363.00/82,316.81
6. Step 6: Final answer
   x = 38,090.71