Finding the Fourth Proportional to 9,416.80, 12,984.58 and 7,710

Step by Step Solution

1. Step 1: Write the proportion equation
   9,416.80 : 12,984.58 = 7,710 : x
2. Step 2: Convert to fraction form
   9,416.80/12,984.58 = 7,710/x
3. Step 3: Cross multiply
   9,416.80x = 12,984.58 × 7,710
4. Step 4: Simplify right side
   9,416.80x = 100,111,111.80
5. Step 5: Solve for x
   x = 100,111,111.80/9,416.80
6. Step 6: Final answer
   x = 10,631.12