Finding the Fourth Proportional to 1,753.09, 2,419.82 and 1,089.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.09 : 2,419.82 = 1,089.55 : x
2. Step 2: Convert to fraction form
   1,753.09/2,419.82 = 1,089.55/x
3. Step 3: Cross multiply
   1,753.09x = 2,419.82 × 1,089.55
4. Step 4: Simplify right side
   1,753.09x = 2,636,522.67
5. Step 5: Solve for x
   x = 2,636,522.67/1,753.09
6. Step 6: Final answer
   x = 1,503.93