Finding the Fourth Proportional to 1,047.69, 1,445.94 and 654.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.69 : 1,445.94 = 654.93 : x
2. Step 2: Convert to fraction form
   1,047.69/1,445.94 = 654.93/x
3. Step 3: Cross multiply
   1,047.69x = 1,445.94 × 654.93
4. Step 4: Simplify right side
   1,047.69x = 946,989.48
5. Step 5: Solve for x
   x = 946,989.48/1,047.69
6. Step 6: Final answer
   x = 903.88