Finding the Fourth Proportional to 13,112.48, 18,095.82 and 7,735.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,112.48 : 18,095.82 = 7,735.12 : x
2. Step 2: Convert to fraction form
   13,112.48/18,095.82 = 7,735.12/x
3. Step 3: Cross multiply
   13,112.48x = 18,095.82 × 7,735.12
4. Step 4: Simplify right side
   13,112.48x = 139,973,339.20
5. Step 5: Solve for x
   x = 139,973,339.20/13,112.48
6. Step 6: Final answer
   x = 10,674.82