Finding the Fourth Proportional to 7,042.59, 10,560.76 and 2,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,042.59 : 10,560.76 = 2,111.31 : x
2. Step 2: Convert to fraction form
   7,042.59/10,560.76 = 2,111.31/x
3. Step 3: Cross multiply
   7,042.59x = 10,560.76 × 2,111.31
4. Step 4: Simplify right side
   7,042.59x = 22,297,038.20
5. Step 5: Solve for x
   x = 22,297,038.20/7,042.59
6. Step 6: Final answer
   x = 3,166.03