Finding the Fourth Proportional to 21,664.77, 32,490.69 and 9,184.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,664.77 : 32,490.69 = 9,184.59 : x
2. Step 2: Convert to fraction form
   21,664.77/32,490.69 = 9,184.59/x
3. Step 3: Cross multiply
   21,664.77x = 32,490.69 × 9,184.59
4. Step 4: Simplify right side
   21,664.77x = 298,413,709.52
5. Step 5: Solve for x
   x = 298,413,709.52/21,664.77
6. Step 6: Final answer
   x = 13,774.15