Finding the Fourth Proportional to 1,045.06, 1,437.91 and 904.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.06 : 1,437.91 = 904.73 : x
2. Step 2: Convert to fraction form
   1,045.06/1,437.91 = 904.73/x
3. Step 3: Cross multiply
   1,045.06x = 1,437.91 × 904.73
4. Step 4: Simplify right side
   1,045.06x = 1,300,910.86
5. Step 5: Solve for x
   x = 1,300,910.86/1,045.06
6. Step 6: Final answer
   x = 1,244.82