Finding the Fourth Proportional to 9,136.42, 13,694.73 and 4,687.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,136.42 : 13,694.73 = 4,687.99 : x
2. Step 2: Convert to fraction form
   9,136.42/13,694.73 = 4,687.99/x
3. Step 3: Cross multiply
   9,136.42x = 13,694.73 × 4,687.99
4. Step 4: Simplify right side
   9,136.42x = 64,200,757.29
5. Step 5: Solve for x
   x = 64,200,757.29/9,136.42
6. Step 6: Final answer
   x = 7,026.91