Finding the Fourth Proportional to 13,496.50, 18,627.69 and 7,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,496.50 : 18,627.69 = 7,907.50 : x
2. Step 2: Convert to fraction form
   13,496.50/18,627.69 = 7,907.50/x
3. Step 3: Cross multiply
   13,496.50x = 18,627.69 × 7,907.50
4. Step 4: Simplify right side
   13,496.50x = 147,298,458.68
5. Step 5: Solve for x
   x = 147,298,458.68/13,496.50
6. Step 6: Final answer
   x = 10,913.83