Finding the Fourth Proportional to 21,784.14, 32,715 and 17,842.86

Step by Step Solution

1. Step 1: Write the proportion equation
   21,784.14 : 32,715 = 17,842.86 : x
2. Step 2: Convert to fraction form
   21,784.14/32,715 = 17,842.86/x
3. Step 3: Cross multiply
   21,784.14x = 32,715 × 17,842.86
4. Step 4: Simplify right side
   21,784.14x = 583,729,164.90
5. Step 5: Solve for x
   x = 583,729,164.90/21,784.14
6. Step 6: Final answer
   x = 26,796.06