Finding the Fourth Proportional to 8,913.14, 12,300.42 and 5,136.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,913.14 : 12,300.42 = 5,136.01 : x
2. Step 2: Convert to fraction form
   8,913.14/12,300.42 = 5,136.01/x
3. Step 3: Cross multiply
   8,913.14x = 12,300.42 × 5,136.01
4. Step 4: Simplify right side
   8,913.14x = 63,175,080.12
5. Step 5: Solve for x
   x = 63,175,080.12/8,913.14
6. Step 6: Final answer
   x = 7,087.86