Finding the Fourth Proportional to 8,530.08, 12,784.34 and 4,571.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,530.08 : 12,784.34 = 4,571.50 : x
2. Step 2: Convert to fraction form
   8,530.08/12,784.34 = 4,571.50/x
3. Step 3: Cross multiply
   8,530.08x = 12,784.34 × 4,571.50
4. Step 4: Simplify right side
   8,530.08x = 58,443,610.31
5. Step 5: Solve for x
   x = 58,443,610.31/8,530.08
6. Step 6: Final answer
   x = 6,851.47