Finding the Fourth Proportional to 1,529.69, 2,110.82 and 866.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,529.69 : 2,110.82 = 866.41 : x
2. Step 2: Convert to fraction form
   1,529.69/2,110.82 = 866.41/x
3. Step 3: Cross multiply
   1,529.69x = 2,110.82 × 866.41
4. Step 4: Simplify right side
   1,529.69x = 1,828,835.56
5. Step 5: Solve for x
   x = 1,828,835.56/1,529.69
6. Step 6: Final answer
   x = 1,195.56