Finding the Fourth Proportional to 1,141.49, 1,709.51 and 900.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.49 : 1,709.51 = 900.92 : x
2. Step 2: Convert to fraction form
   1,141.49/1,709.51 = 900.92/x
3. Step 3: Cross multiply
   1,141.49x = 1,709.51 × 900.92
4. Step 4: Simplify right side
   1,141.49x = 1,540,131.52
5. Step 5: Solve for x
   x = 1,540,131.52/1,141.49
6. Step 6: Final answer
   x = 1,349.23