Finding the Fourth Proportional to 21,961.88, 32,948.06 and 7,170.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,961.88 : 32,948.06 = 7,170.82 : x
2. Step 2: Convert to fraction form
   21,961.88/32,948.06 = 7,170.82/x
3. Step 3: Cross multiply
   21,961.88x = 32,948.06 × 7,170.82
4. Step 4: Simplify right side
   21,961.88x = 236,264,607.61
5. Step 5: Solve for x
   x = 236,264,607.61/21,961.88
6. Step 6: Final answer
   x = 10,757.94