Finding the Fourth Proportional to 2,645.71, 3,651.40 and 1,526.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.71 : 3,651.40 = 1,526.65 : x
2. Step 2: Convert to fraction form
   2,645.71/3,651.40 = 1,526.65/x
3. Step 3: Cross multiply
   2,645.71x = 3,651.40 × 1,526.65
4. Step 4: Simplify right side
   2,645.71x = 5,574,409.81
5. Step 5: Solve for x
   x = 5,574,409.81/2,645.71
6. Step 6: Final answer
   x = 2,106.96