Finding the Fourth Proportional to 12,019.59, 16,580.97 and 8,045.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019.59 : 16,580.97 = 8,045.93 : x
2. Step 2: Convert to fraction form
   12,019.59/16,580.97 = 8,045.93/x
3. Step 3: Cross multiply
   12,019.59x = 16,580.97 × 8,045.93
4. Step 4: Simplify right side
   12,019.59x = 133,409,365.40
5. Step 5: Solve for x
   x = 133,409,365.40/12,019.59
6. Step 6: Final answer
   x = 11,099.33