Finding the Fourth Proportional to 31,934.33, 47,899.86 and 12,211.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,934.33 : 47,899.86 = 12,211.37 : x
2. Step 2: Convert to fraction form
   31,934.33/47,899.86 = 12,211.37/x
3. Step 3: Cross multiply
   31,934.33x = 47,899.86 × 12,211.37
4. Step 4: Simplify right side
   31,934.33x = 584,922,673.91
5. Step 5: Solve for x
   x = 584,922,673.91/31,934.33
6. Step 6: Final answer
   x = 18,316.43