Finding the Fourth Proportional to 9,687.99, 14,530.61 and 3,113.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,687.99 : 14,530.61 = 3,113.33 : x
2. Step 2: Convert to fraction form
   9,687.99/14,530.61 = 3,113.33/x
3. Step 3: Cross multiply
   9,687.99x = 14,530.61 × 3,113.33
4. Step 4: Simplify right side
   9,687.99x = 45,238,495.81
5. Step 5: Solve for x
   x = 45,238,495.81/9,687.99
6. Step 6: Final answer
   x = 4,669.54