Finding the Fourth Proportional to 1,119.72, 1,545.06 and 654.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119.72 : 1,545.06 = 654.12 : x
2. Step 2: Convert to fraction form
   1,119.72/1,545.06 = 654.12/x
3. Step 3: Cross multiply
   1,119.72x = 1,545.06 × 654.12
4. Step 4: Simplify right side
   1,119.72x = 1,010,654.65
5. Step 5: Solve for x
   x = 1,010,654.65/1,119.72
6. Step 6: Final answer
   x = 902.60