Finding the Fourth Proportional to 1,605.17, 2,397.83 and 1,162.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605.17 : 2,397.83 = 1,162.91 : x
2. Step 2: Convert to fraction form
   1,605.17/2,397.83 = 1,162.91/x
3. Step 3: Cross multiply
   1,605.17x = 2,397.83 × 1,162.91
4. Step 4: Simplify right side
   1,605.17x = 2,788,460.67
5. Step 5: Solve for x
   x = 2,788,460.67/1,605.17
6. Step 6: Final answer
   x = 1,737.17