Finding the Fourth Proportional to 2,072.17, 2,859.67 and 1,232.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.17 : 2,859.67 = 1,232.81 : x
2. Step 2: Convert to fraction form
   2,072.17/2,859.67 = 1,232.81/x
3. Step 3: Cross multiply
   2,072.17x = 2,859.67 × 1,232.81
4. Step 4: Simplify right side
   2,072.17x = 3,525,429.77
5. Step 5: Solve for x
   x = 3,525,429.77/2,072.17
6. Step 6: Final answer
   x = 1,701.32