Finding the Fourth Proportional to 9,690.17, 14,532.98 and 3,116.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690.17 : 14,532.98 = 3,116.43 : x
2. Step 2: Convert to fraction form
   9,690.17/14,532.98 = 3,116.43/x
3. Step 3: Cross multiply
   9,690.17x = 14,532.98 × 3,116.43
4. Step 4: Simplify right side
   9,690.17x = 45,290,999.28
5. Step 5: Solve for x
   x = 45,290,999.28/9,690.17
6. Step 6: Final answer
   x = 4,673.91