Finding the Fourth Proportional to 12,636.88, 18,952.06 and 3,750.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,636.88 : 18,952.06 = 3,750.12 : x
2. Step 2: Convert to fraction form
   12,636.88/18,952.06 = 3,750.12/x
3. Step 3: Cross multiply
   12,636.88x = 18,952.06 × 3,750.12
4. Step 4: Simplify right side
   12,636.88x = 71,072,499.25
5. Step 5: Solve for x
   x = 71,072,499.25/12,636.88
6. Step 6: Final answer
   x = 5,624.21