Finding the Fourth Proportional to 1,061.45, 1,592.52 and 673.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.45 : 1,592.52 = 673.87 : x
2. Step 2: Convert to fraction form
   1,061.45/1,592.52 = 673.87/x
3. Step 3: Cross multiply
   1,061.45x = 1,592.52 × 673.87
4. Step 4: Simplify right side
   1,061.45x = 1,073,140.12
5. Step 5: Solve for x
   x = 1,073,140.12/1,061.45
6. Step 6: Final answer
   x = 1,011.01