Finding the Fourth Proportional to 82,175.83, 123,279.72 and 31,571.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82,175.83 : 123,279.72 = 31,571.17 : x
2. Step 2: Convert to fraction form
   82,175.83/123,279.72 = 31,571.17/x
3. Step 3: Cross multiply
   82,175.83x = 123,279.72 × 31,571.17
4. Step 4: Simplify right side
   82,175.83x = 3,892,084,997.67
5. Step 5: Solve for x
   x = 3,892,084,997.67/82,175.83
6. Step 6: Final answer
   x = 47,362.89