Finding the Fourth Proportional to 8,419.94, 12,613.72 and 4,710.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,419.94 : 12,613.72 = 4,710.92 : x
2. Step 2: Convert to fraction form
   8,419.94/12,613.72 = 4,710.92/x
3. Step 3: Cross multiply
   8,419.94x = 12,613.72 × 4,710.92
4. Step 4: Simplify right side
   8,419.94x = 59,422,225.82
5. Step 5: Solve for x
   x = 59,422,225.82/8,419.94
6. Step 6: Final answer
   x = 7,057.32