Finding the Fourth Proportional to 1,719.32, 2,372.88 and 973.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.32 : 2,372.88 = 973.40 : x
2. Step 2: Convert to fraction form
   1,719.32/2,372.88 = 973.40/x
3. Step 3: Cross multiply
   1,719.32x = 2,372.88 × 973.40
4. Step 4: Simplify right side
   1,719.32x = 2,309,761.39
5. Step 5: Solve for x
   x = 2,309,761.39/1,719.32
6. Step 6: Final answer
   x = 1,343.42