Finding the Fourth Proportional to 7,110.47, 10,667.53 and 2,180.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,110.47 : 10,667.53 = 2,180.15 : x
2. Step 2: Convert to fraction form
   7,110.47/10,667.53 = 2,180.15/x
3. Step 3: Cross multiply
   7,110.47x = 10,667.53 × 2,180.15
4. Step 4: Simplify right side
   7,110.47x = 23,256,815.53
5. Step 5: Solve for x
   x = 23,256,815.53/7,110.47
6. Step 6: Final answer
   x = 3,270.78