Finding the Fourth Proportional to 21,364.48, 32,066.82 and 10,842.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,364.48 : 32,066.82 = 10,842.05 : x
2. Step 2: Convert to fraction form
   21,364.48/32,066.82 = 10,842.05/x
3. Step 3: Cross multiply
   21,364.48x = 32,066.82 × 10,842.05
4. Step 4: Simplify right side
   21,364.48x = 347,670,145.95
5. Step 5: Solve for x
   x = 347,670,145.95/21,364.48
6. Step 6: Final answer
   x = 16,273.28