Finding the Fourth Proportional to 1,367.72, 2,052.72 and 1,060.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.72 : 2,052.72 = 1,060.40 : x
2. Step 2: Convert to fraction form
   1,367.72/2,052.72 = 1,060.40/x
3. Step 3: Cross multiply
   1,367.72x = 2,052.72 × 1,060.40
4. Step 4: Simplify right side
   1,367.72x = 2,176,704.29
5. Step 5: Solve for x
   x = 2,176,704.29/1,367.72
6. Step 6: Final answer
   x = 1,591.48