Finding the Fourth Proportional to 12,024.96, 16,580.94 and 7,770.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,024.96 : 16,580.94 = 7,770.42 : x
2. Step 2: Convert to fraction form
   12,024.96/16,580.94 = 7,770.42/x
3. Step 3: Cross multiply
   12,024.96x = 16,580.94 × 7,770.42
4. Step 4: Simplify right side
   12,024.96x = 128,840,867.79
5. Step 5: Solve for x
   x = 128,840,867.79/12,024.96
6. Step 6: Final answer
   x = 10,714.45