Finding the Fourth Proportional to 1,719.89, 2,373.53 and 973.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.89 : 2,373.53 = 973.88 : x
2. Step 2: Convert to fraction form
   1,719.89/2,373.53 = 973.88/x
3. Step 3: Cross multiply
   1,719.89x = 2,373.53 × 973.88
4. Step 4: Simplify right side
   1,719.89x = 2,311,516.66
5. Step 5: Solve for x
   x = 2,311,516.66/1,719.89
6. Step 6: Final answer
   x = 1,343.99