Finding the Fourth Proportional to 1,719.24, 2,372.38 and 973.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.24 : 2,372.38 = 973.15 : x
2. Step 2: Convert to fraction form
   1,719.24/2,372.38 = 973.15/x
3. Step 3: Cross multiply
   1,719.24x = 2,372.38 × 973.15
4. Step 4: Simplify right side
   1,719.24x = 2,308,681.60
5. Step 5: Solve for x
   x = 2,308,681.60/1,719.24
6. Step 6: Final answer
   x = 1,342.85