Finding the Fourth Proportional to 1,047.33, 1,573.29 and 908.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.33 : 1,573.29 = 908.91 : x
2. Step 2: Convert to fraction form
   1,047.33/1,573.29 = 908.91/x
3. Step 3: Cross multiply
   1,047.33x = 1,573.29 × 908.91
4. Step 4: Simplify right side
   1,047.33x = 1,429,979.01
5. Step 5: Solve for x
   x = 1,429,979.01/1,047.33
6. Step 6: Final answer
   x = 1,365.36