Finding the Fourth Proportional to 5,092.76, 7,636.20 and 1,581.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,092.76 : 7,636.20 = 1,581.86 : x
2. Step 2: Convert to fraction form
   5,092.76/7,636.20 = 1,581.86/x
3. Step 3: Cross multiply
   5,092.76x = 7,636.20 × 1,581.86
4. Step 4: Simplify right side
   5,092.76x = 12,079,399.33
5. Step 5: Solve for x
   x = 12,079,399.33/5,092.76
6. Step 6: Final answer
   x = 2,371.88