Finding the Fourth Proportional to 2,930.72, 4,415.85 and 2,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,930.72 : 4,415.85 = 2,422.10 : x
2. Step 2: Convert to fraction form
   2,930.72/4,415.85 = 2,422.10/x
3. Step 3: Cross multiply
   2,930.72x = 4,415.85 × 2,422.10
4. Step 4: Simplify right side
   2,930.72x = 10,695,630.29
5. Step 5: Solve for x
   x = 10,695,630.29/2,930.72
6. Step 6: Final answer
   x = 3,649.49