Finding the Fourth Proportional to 5,494.72, 7,580.96 and 3,136.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,494.72 : 7,580.96 = 3,136.96 : x
2. Step 2: Convert to fraction form
   5,494.72/7,580.96 = 3,136.96/x
3. Step 3: Cross multiply
   5,494.72x = 7,580.96 × 3,136.96
4. Step 4: Simplify right side
   5,494.72x = 23,781,168.28
5. Step 5: Solve for x
   x = 23,781,168.28/5,494.72
6. Step 6: Final answer
   x = 4,328.00