Finding the Fourth Proportional to 21,784.95, 32,678.64 and 17,454.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,784.95 : 32,678.64 = 17,454.69 : x
2. Step 2: Convert to fraction form
   21,784.95/32,678.64 = 17,454.69/x
3. Step 3: Cross multiply
   21,784.95x = 32,678.64 × 17,454.69
4. Step 4: Simplify right side
   21,784.95x = 570,395,530.82
5. Step 5: Solve for x
   x = 570,395,530.82/21,784.95
6. Step 6: Final answer
   x = 26,183.01