Finding the Fourth Proportional to 12,507.94, 18,757.34 and 5,483.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,507.94 : 18,757.34 = 5,483.12 : x
2. Step 2: Convert to fraction form
   12,507.94/18,757.34 = 5,483.12/x
3. Step 3: Cross multiply
   12,507.94x = 18,757.34 × 5,483.12
4. Step 4: Simplify right side
   12,507.94x = 102,848,746.10
5. Step 5: Solve for x
   x = 102,848,746.10/12,507.94
6. Step 6: Final answer
   x = 8,222.68