Finding the Fourth Proportional to 13,467.93, 18,585.72 and 7,500.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,467.93 : 18,585.72 = 7,500.12 : x
2. Step 2: Convert to fraction form
   13,467.93/18,585.72 = 7,500.12/x
3. Step 3: Cross multiply
   13,467.93x = 18,585.72 × 7,500.12
4. Step 4: Simplify right side
   13,467.93x = 139,395,130.29
5. Step 5: Solve for x
   x = 139,395,130.29/13,467.93
6. Step 6: Final answer
   x = 10,350.15