Finding the Fourth Proportional to 13,401.14, 20,095.74 and 7,160.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.14 : 20,095.74 = 7,160.00 : x
2. Step 2: Convert to fraction form
   13,401.14/20,095.74 = 7,160.00/x
3. Step 3: Cross multiply
   13,401.14x = 20,095.74 × 7,160.00
4. Step 4: Simplify right side
   13,401.14x = 143,885,397.92
5. Step 5: Solve for x
   x = 143,885,397.92/13,401.14
6. Step 6: Final answer
   x = 10,736.81