Finding the Fourth Proportional to 8,045.57, 12,060.93 and 5,581.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045.57 : 12,060.93 = 5,581.55 : x
2. Step 2: Convert to fraction form
   8,045.57/12,060.93 = 5,581.55/x
3. Step 3: Cross multiply
   8,045.57x = 12,060.93 × 5,581.55
4. Step 4: Simplify right side
   8,045.57x = 67,318,683.84
5. Step 5: Solve for x
   x = 67,318,683.84/8,045.57
6. Step 6: Final answer
   x = 8,367.17