Finding the Fourth Proportional to 21,642.57, 32,460.59 and 6,849.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,642.57 : 32,460.59 = 6,849.56 : x
2. Step 2: Convert to fraction form
   21,642.57/32,460.59 = 6,849.56/x
3. Step 3: Cross multiply
   21,642.57x = 32,460.59 × 6,849.56
4. Step 4: Simplify right side
   21,642.57x = 222,340,758.84
5. Step 5: Solve for x
   x = 222,340,758.84/21,642.57
6. Step 6: Final answer
   x = 10,273.31