Finding the Fourth Proportional to 1,890.84, 2,605.82 and 1,365.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.84 : 2,605.82 = 1,365.96 : x
2. Step 2: Convert to fraction form
   1,890.84/2,605.82 = 1,365.96/x
3. Step 3: Cross multiply
   1,890.84x = 2,605.82 × 1,365.96
4. Step 4: Simplify right side
   1,890.84x = 3,559,445.89
5. Step 5: Solve for x
   x = 3,559,445.89/1,890.84
6. Step 6: Final answer
   x = 1,882.47