Finding the Fourth Proportional to 13,484.72, 18,609.00 and 7,516.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,484.72 : 18,609.00 = 7,516.77 : x
2. Step 2: Convert to fraction form
   13,484.72/18,609.00 = 7,516.77/x
3. Step 3: Cross multiply
   13,484.72x = 18,609.00 × 7,516.77
4. Step 4: Simplify right side
   13,484.72x = 139,879,442.30
5. Step 5: Solve for x
   x = 139,879,442.30/13,484.72
6. Step 6: Final answer
   x = 10,373.18