Finding the Fourth Proportional to 8,506.89, 12,762.77 and 3,573.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,506.89 : 12,762.77 = 3,573.99 : x
2. Step 2: Convert to fraction form
   8,506.89/12,762.77 = 3,573.99/x
3. Step 3: Cross multiply
   8,506.89x = 12,762.77 × 3,573.99
4. Step 4: Simplify right side
   8,506.89x = 45,613,994.48
5. Step 5: Solve for x
   x = 45,613,994.48/8,506.89
6. Step 6: Final answer
   x = 5,362.01