Finding the Fourth Proportional to 13,484.89, 18,609.23 and 7,516.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,484.89 : 18,609.23 = 7,516.94 : x
2. Step 2: Convert to fraction form
   13,484.89/18,609.23 = 7,516.94/x
3. Step 3: Cross multiply
   13,484.89x = 18,609.23 × 7,516.94
4. Step 4: Simplify right side
   13,484.89x = 139,884,348.82
5. Step 5: Solve for x
   x = 139,884,348.82/13,484.89
6. Step 6: Final answer
   x = 10,373.42