Finding the Fourth Proportional to 8,914.25, 12,300.63 and 5,137.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,914.25 : 12,300.63 = 5,137.38 : x
2. Step 2: Convert to fraction form
   8,914.25/12,300.63 = 5,137.38/x
3. Step 3: Cross multiply
   8,914.25x = 12,300.63 × 5,137.38
4. Step 4: Simplify right side
   8,914.25x = 63,192,967.36
5. Step 5: Solve for x
   x = 63,192,967.36/8,914.25
6. Step 6: Final answer
   x = 7,088.99