Finding the Fourth Proportional to 82,408.98, 123,618.69 and 31,832.13

Step by Step Solution

1. Step 1: Write the proportion equation
   82,408.98 : 123,618.69 = 31,832.13 : x
2. Step 2: Convert to fraction form
   82,408.98/123,618.69 = 31,832.13/x
3. Step 3: Cross multiply
   82,408.98x = 123,618.69 × 31,832.13
4. Step 4: Simplify right side
   82,408.98x = 3,935,046,210.51
5. Step 5: Solve for x
   x = 3,935,046,210.51/82,408.98
6. Step 6: Final answer
   x = 47,750.21