Finding the Fourth Proportional to 1,103.09, 1,654.83 and 899.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.09 : 1,654.83 = 899.46 : x
2. Step 2: Convert to fraction form
   1,103.09/1,654.83 = 899.46/x
3. Step 3: Cross multiply
   1,103.09x = 1,654.83 × 899.46
4. Step 4: Simplify right side
   1,103.09x = 1,488,453.39
5. Step 5: Solve for x
   x = 1,488,453.39/1,103.09
6. Step 6: Final answer
   x = 1,349.36