Finding the Fourth Proportional to 14,784.35, 20,402.23 and 8,410.79

Step by Step Solution

1. Step 1: Write the proportion equation
   14,784.35 : 20,402.23 = 8,410.79 : x
2. Step 2: Convert to fraction form
   14,784.35/20,402.23 = 8,410.79/x
3. Step 3: Cross multiply
   14,784.35x = 20,402.23 × 8,410.79
4. Step 4: Simplify right side
   14,784.35x = 171,598,872.06
5. Step 5: Solve for x
   x = 171,598,872.06/14,784.35
6. Step 6: Final answer
   x = 11,606.79