Finding the Fourth Proportional to 1,719.19, 2,372.86 and 973.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.19 : 2,372.86 = 973.18 : x
2. Step 2: Convert to fraction form
   1,719.19/2,372.86 = 973.18/x
3. Step 3: Cross multiply
   1,719.19x = 2,372.86 × 973.18
4. Step 4: Simplify right side
   1,719.19x = 2,309,219.89
5. Step 5: Solve for x
   x = 2,309,219.89/1,719.19
6. Step 6: Final answer
   x = 1,343.20