Finding the Fourth Proportional to 9,946.30, 14,918.61 and 4,680.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.30 : 14,918.61 = 4,680.07 : x
2. Step 2: Convert to fraction form
   9,946.30/14,918.61 = 4,680.07/x
3. Step 3: Cross multiply
   9,946.30x = 14,918.61 × 4,680.07
4. Step 4: Simplify right side
   9,946.30x = 69,820,139.10
5. Step 5: Solve for x
   x = 69,820,139.10/9,946.30
6. Step 6: Final answer
   x = 7,019.71