Finding the Fourth Proportional to 13,483.59, 18,607.16 and 7,515.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,483.59 : 18,607.16 = 7,515.24 : x
2. Step 2: Convert to fraction form
   13,483.59/18,607.16 = 7,515.24/x
3. Step 3: Cross multiply
   13,483.59x = 18,607.16 × 7,515.24
4. Step 4: Simplify right side
   13,483.59x = 139,837,222.13
5. Step 5: Solve for x
   x = 139,837,222.13/13,483.59
6. Step 6: Final answer
   x = 10,370.92