Finding the Fourth Proportional to 8,929.42, 12,325.06 and 5,570.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,929.42 : 12,325.06 = 5,570.26 : x
2. Step 2: Convert to fraction form
   8,929.42/12,325.06 = 5,570.26/x
3. Step 3: Cross multiply
   8,929.42x = 12,325.06 × 5,570.26
4. Step 4: Simplify right side
   8,929.42x = 68,653,788.72
5. Step 5: Solve for x
   x = 68,653,788.72/8,929.42
6. Step 6: Final answer
   x = 7,688.49