Finding the Fourth Proportional to 2,649.30, 3,656.07 and 1,530.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.30 : 3,656.07 = 1,530.31 : x
2. Step 2: Convert to fraction form
   2,649.30/3,656.07 = 1,530.31/x
3. Step 3: Cross multiply
   2,649.30x = 3,656.07 × 1,530.31
4. Step 4: Simplify right side
   2,649.30x = 5,594,920.48
5. Step 5: Solve for x
   x = 5,594,920.48/2,649.30
6. Step 6: Final answer
   x = 2,111.85