Finding the Fourth Proportional to 13,111.48, 18,094.44 and 7,734.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.48 : 18,094.44 = 7,734.12 : x
2. Step 2: Convert to fraction form
   13,111.48/18,094.44 = 7,734.12/x
3. Step 3: Cross multiply
   13,111.48x = 18,094.44 × 7,734.12
4. Step 4: Simplify right side
   13,111.48x = 139,944,570.29
5. Step 5: Solve for x
   x = 139,944,570.29/13,111.48
6. Step 6: Final answer
   x = 10,673.44