Finding the Fourth Proportional to 21,886.84, 32,822.00 and 7,091.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,886.84 : 32,822.00 = 7,091.78 : x
2. Step 2: Convert to fraction form
   21,886.84/32,822.00 = 7,091.78/x
3. Step 3: Cross multiply
   21,886.84x = 32,822.00 × 7,091.78
4. Step 4: Simplify right side
   21,886.84x = 232,766,367.70
5. Step 5: Solve for x
   x = 232,766,367.70/21,886.84
6. Step 6: Final answer
   x = 10,634.99