Finding the Fourth Proportional to 1,047.06, 1,445.57 and 654.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.06 : 1,445.57 = 654.62 : x
2. Step 2: Convert to fraction form
   1,047.06/1,445.57 = 654.62/x
3. Step 3: Cross multiply
   1,047.06x = 1,445.57 × 654.62
4. Step 4: Simplify right side
   1,047.06x = 946,299.03
5. Step 5: Solve for x
   x = 946,299.03/1,047.06
6. Step 6: Final answer
   x = 903.77