Finding the Fourth Proportional to 1,444.68, 1,993.68 and 972.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.68 : 1,993.68 = 972.72 : x
2. Step 2: Convert to fraction form
   1,444.68/1,993.68 = 972.72/x
3. Step 3: Cross multiply
   1,444.68x = 1,993.68 × 972.72
4. Step 4: Simplify right side
   1,444.68x = 1,939,292.41
5. Step 5: Solve for x
   x = 1,939,292.41/1,444.68
6. Step 6: Final answer
   x = 1,342.37