Finding the Fourth Proportional to 21,894.50, 32,844.82 and 7,098.64

Step by Step Solution

1. Step 1: Write the proportion equation
   21,894.50 : 32,844.82 = 7,098.64 : x
2. Step 2: Convert to fraction form
   21,894.50/32,844.82 = 7,098.64/x
3. Step 3: Cross multiply
   21,894.50x = 32,844.82 × 7,098.64
4. Step 4: Simplify right side
   21,894.50x = 233,153,388.82
5. Step 5: Solve for x
   x = 233,153,388.82/21,894.50
6. Step 6: Final answer
   x = 10,648.95