Finding the Fourth Proportional to 1,365.54, 1,882.89 and 1,099.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.54 : 1,882.89 = 1,099.86 : x
2. Step 2: Convert to fraction form
   1,365.54/1,882.89 = 1,099.86/x
3. Step 3: Cross multiply
   1,365.54x = 1,882.89 × 1,099.86
4. Step 4: Simplify right side
   1,365.54x = 2,070,915.40
5. Step 5: Solve for x
   x = 2,070,915.40/1,365.54
6. Step 6: Final answer
   x = 1,516.55