Finding the Fourth Proportional to 7,048.50, 10,572.34 and 2,118.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,048.50 : 10,572.34 = 2,118.03 : x
2. Step 2: Convert to fraction form
   7,048.50/10,572.34 = 2,118.03/x
3. Step 3: Cross multiply
   7,048.50x = 10,572.34 × 2,118.03
4. Step 4: Simplify right side
   7,048.50x = 22,392,533.29
5. Step 5: Solve for x
   x = 22,392,533.29/7,048.50
6. Step 6: Final answer
   x = 3,176.92