Finding the Fourth Proportional to 1,529.97, 2,111.16 and 866.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,529.97 : 2,111.16 = 866.82 : x
2. Step 2: Convert to fraction form
   1,529.97/2,111.16 = 866.82/x
3. Step 3: Cross multiply
   1,529.97x = 2,111.16 × 866.82
4. Step 4: Simplify right side
   1,529.97x = 1,829,995.71
5. Step 5: Solve for x
   x = 1,829,995.71/1,529.97
6. Step 6: Final answer
   x = 1,196.10