Finding the Fourth Proportional to 9,690.23, 14,535.86 and 3,116.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690.23 : 14,535.86 = 3,116.48 : x
2. Step 2: Convert to fraction form
   9,690.23/14,535.86 = 3,116.48/x
3. Step 3: Cross multiply
   9,690.23x = 14,535.86 × 3,116.48
4. Step 4: Simplify right side
   9,690.23x = 45,300,628.71
5. Step 5: Solve for x
   x = 45,300,628.71/9,690.23
6. Step 6: Final answer
   x = 4,674.88