Finding the Fourth Proportional to 7,016.52, 10,521.68 and 2,630.90

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.52 : 10,521.68 = 2,630.90 : x
2. Step 2: Convert to fraction form
   7,016.52/10,521.68 = 2,630.90/x
3. Step 3: Cross multiply
   7,016.52x = 10,521.68 × 2,630.90
4. Step 4: Simplify right side
   7,016.52x = 27,681,422.15
5. Step 5: Solve for x
   x = 27,681,422.15/7,016.52
6. Step 6: Final answer
   x = 3,945.18