Finding the Fourth Proportional to 12,308.76, 18,452.88 and 5,731.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.76 : 18,452.88 = 5,731.56 : x
2. Step 2: Convert to fraction form
   12,308.76/18,452.88 = 5,731.56/x
3. Step 3: Cross multiply
   12,308.76x = 18,452.88 × 5,731.56
4. Step 4: Simplify right side
   12,308.76x = 105,763,788.89
5. Step 5: Solve for x
   x = 105,763,788.89/12,308.76
6. Step 6: Final answer
   x = 8,592.56