Finding the Fourth Proportional to 2,649.88, 3,656.82 and 1,530.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.88 : 3,656.82 = 1,530.80 : x
2. Step 2: Convert to fraction form
   2,649.88/3,656.82 = 1,530.80/x
3. Step 3: Cross multiply
   2,649.88x = 3,656.82 × 1,530.80
4. Step 4: Simplify right side
   2,649.88x = 5,597,860.06
5. Step 5: Solve for x
   x = 5,597,860.06/2,649.88
6. Step 6: Final answer
   x = 2,112.50