Finding the Fourth Proportional to 1,721.58, 2,376.51 and 1,162.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721.58 : 2,376.51 = 1,162.81 : x
2. Step 2: Convert to fraction form
   1,721.58/2,376.51 = 1,162.81/x
3. Step 3: Cross multiply
   1,721.58x = 2,376.51 × 1,162.81
4. Step 4: Simplify right side
   1,721.58x = 2,763,429.59
5. Step 5: Solve for x
   x = 2,763,429.59/1,721.58
6. Step 6: Final answer
   x = 1,605.17