Finding the Fourth Proportional to 1,719.55, 2,372.86 and 973.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.55 : 2,372.86 = 973.59 : x
2. Step 2: Convert to fraction form
   1,719.55/2,372.86 = 973.59/x
3. Step 3: Cross multiply
   1,719.55x = 2,372.86 × 973.59
4. Step 4: Simplify right side
   1,719.55x = 2,310,187.90
5. Step 5: Solve for x
   x = 2,310,187.90/1,719.55
6. Step 6: Final answer
   x = 1,343.48