Finding the Fourth Proportional to 21,894.48, 32,844.69 and 7,098.57

Step by Step Solution

1. Step 1: Write the proportion equation
   21,894.48 : 32,844.69 = 7,098.57 : x
2. Step 2: Convert to fraction form
   21,894.48/32,844.69 = 7,098.57/x
3. Step 3: Cross multiply
   21,894.48x = 32,844.69 × 7,098.57
4. Step 4: Simplify right side
   21,894.48x = 233,150,331.09
5. Step 5: Solve for x
   x = 233,150,331.09/21,894.48
6. Step 6: Final answer
   x = 10,648.82