Finding the Fourth Proportional to 1,970.49, 2,720.59 and 1,372.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.49 : 2,720.59 = 1,372.82 : x
2. Step 2: Convert to fraction form
   1,970.49/2,720.59 = 1,372.82/x
3. Step 3: Cross multiply
   1,970.49x = 2,720.59 × 1,372.82
4. Step 4: Simplify right side
   1,970.49x = 3,734,863.33
5. Step 5: Solve for x
   x = 3,734,863.33/1,970.49
6. Step 6: Final answer
   x = 1,895.39