Finding the Fourth Proportional to 13,483.77, 18,608.04 and 7,516.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,483.77 : 18,608.04 = 7,516.71 : x
2. Step 2: Convert to fraction form
   13,483.77/18,608.04 = 7,516.71/x
3. Step 3: Cross multiply
   13,483.77x = 18,608.04 × 7,516.71
4. Step 4: Simplify right side
   13,483.77x = 139,871,240.35
5. Step 5: Solve for x
   x = 139,871,240.35/13,483.77
6. Step 6: Final answer
   x = 10,373.30