Finding the Fourth Proportional to 21,891.06, 32,841.20 and 7,098.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,891.06 : 32,841.20 = 7,098.82 : x
2. Step 2: Convert to fraction form
   21,891.06/32,841.20 = 7,098.82/x
3. Step 3: Cross multiply
   21,891.06x = 32,841.20 × 7,098.82
4. Step 4: Simplify right side
   21,891.06x = 233,133,767.38
5. Step 5: Solve for x
   x = 233,133,767.38/21,891.06
6. Step 6: Final answer
   x = 10,649.72