Finding the Fourth Proportional to 14,426.16, 21,638.43 and 5,066.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,426.16 : 21,638.43 = 5,066.61 : x
2. Step 2: Convert to fraction form
   14,426.16/21,638.43 = 5,066.61/x
3. Step 3: Cross multiply
   14,426.16x = 21,638.43 × 5,066.61
4. Step 4: Simplify right side
   14,426.16x = 109,633,485.82
5. Step 5: Solve for x
   x = 109,633,485.82/14,426.16
6. Step 6: Final answer
   x = 7,599.63