Finding the Fourth Proportional to 2,648.87, 3,655.41 and 1,529.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.87 : 3,655.41 = 1,529.81 : x
2. Step 2: Convert to fraction form
   2,648.87/3,655.41 = 1,529.81/x
3. Step 3: Cross multiply
   2,648.87x = 3,655.41 × 1,529.81
4. Step 4: Simplify right side
   2,648.87x = 5,592,064.50
5. Step 5: Solve for x
   x = 5,592,064.50/2,648.87
6. Step 6: Final answer
   x = 2,111.12