Finding the Fourth Proportional to 7,112.18, 10,667.97 and 2,181.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,112.18 : 10,667.97 = 2,181.56 : x
2. Step 2: Convert to fraction form
   7,112.18/10,667.97 = 2,181.56/x
3. Step 3: Cross multiply
   7,112.18x = 10,667.97 × 2,181.56
4. Step 4: Simplify right side
   7,112.18x = 23,272,816.63
5. Step 5: Solve for x
   x = 23,272,816.63/7,112.18
6. Step 6: Final answer
   x = 3,272.25