Finding the Fourth Proportional to 1,339.00, 1,848.56 and 899.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.00 : 1,848.56 = 899.24 : x
2. Step 2: Convert to fraction form
   1,339.00/1,848.56 = 899.24/x
3. Step 3: Cross multiply
   1,339.00x = 1,848.56 × 899.24
4. Step 4: Simplify right side
   1,339.00x = 1,662,285.36
5. Step 5: Solve for x
   x = 1,662,285.36/1,339.00
6. Step 6: Final answer
   x = 1,241.44