Finding the Fourth Proportional to 9,679.47, 14,513.00 and 4,409.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,679.47 : 14,513.00 = 4,409.07 : x
2. Step 2: Convert to fraction form
   9,679.47/14,513.00 = 4,409.07/x
3. Step 3: Cross multiply
   9,679.47x = 14,513.00 × 4,409.07
4. Step 4: Simplify right side
   9,679.47x = 63,988,810.86
5. Step 5: Solve for x
   x = 63,988,810.86/9,679.47
6. Step 6: Final answer
   x = 6,610.78