Finding the Fourth Proportional to 21,858.08, 32,780.16 and 7,063.49

Step by Step Solution

1. Step 1: Write the proportion equation
   21,858.08 : 32,780.16 = 7,063.49 : x
2. Step 2: Convert to fraction form
   21,858.08/32,780.16 = 7,063.49/x
3. Step 3: Cross multiply
   21,858.08x = 32,780.16 × 7,063.49
4. Step 4: Simplify right side
   21,858.08x = 231,542,414.31
5. Step 5: Solve for x
   x = 231,542,414.31/21,858.08
6. Step 6: Final answer
   x = 10,592.99