Finding the Fourth Proportional to 8,914.41, 12,300.64 and 5,137.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,914.41 : 12,300.64 = 5,137.27 : x
2. Step 2: Convert to fraction form
   8,914.41/12,300.64 = 5,137.27/x
3. Step 3: Cross multiply
   8,914.41x = 12,300.64 × 5,137.27
4. Step 4: Simplify right side
   8,914.41x = 63,191,665.26
5. Step 5: Solve for x
   x = 63,191,665.26/8,914.41
6. Step 6: Final answer
   x = 7,088.71