Finding the Fourth Proportional to 7,031.34, 10,548.09 and 2,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,031.34 : 10,548.09 = 2,100.42 : x
2. Step 2: Convert to fraction form
   7,031.34/10,548.09 = 2,100.42/x
3. Step 3: Cross multiply
   7,031.34x = 10,548.09 × 2,100.42
4. Step 4: Simplify right side
   7,031.34x = 22,155,419.20
5. Step 5: Solve for x
   x = 22,155,419.20/7,031.34
6. Step 6: Final answer
   x = 3,150.95