Finding the Fourth Proportional to 8,477.25, 12,713.52 and 4,724.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,477.25 : 12,713.52 = 4,724.42 : x
2. Step 2: Convert to fraction form
   8,477.25/12,713.52 = 4,724.42/x
3. Step 3: Cross multiply
   8,477.25x = 12,713.52 × 4,724.42
4. Step 4: Simplify right side
   8,477.25x = 60,064,008.16
5. Step 5: Solve for x
   x = 60,064,008.16/8,477.25
6. Step 6: Final answer
   x = 7,085.32