Finding the Fourth Proportional to 27,961.61, 41,912.00 and 13,932

Step by Step Solution

1. Step 1: Write the proportion equation
   27,961.61 : 41,912.00 = 13,932 : x
2. Step 2: Convert to fraction form
   27,961.61/41,912.00 = 13,932/x
3. Step 3: Cross multiply
   27,961.61x = 41,912.00 × 13,932
4. Step 4: Simplify right side
   27,961.61x = 583,917,914.34
5. Step 5: Solve for x
   x = 583,917,914.34/27,961.61
6. Step 6: Final answer
   x = 20,882.85