Finding the Fourth Proportional to 12,860.02, 19,295.49 and 5,466.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,860.02 : 19,295.49 = 5,466.07 : x
2. Step 2: Convert to fraction form
   12,860.02/19,295.49 = 5,466.07/x
3. Step 3: Cross multiply
   12,860.02x = 19,295.49 × 5,466.07
4. Step 4: Simplify right side
   12,860.02x = 105,470,499.02
5. Step 5: Solve for x
   x = 105,470,499.02/12,860.02
6. Step 6: Final answer
   x = 8,201.43