Finding the Fourth Proportional to 1,719.89, 2,373.47 and 973.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.89 : 2,373.47 = 973.83 : x
2. Step 2: Convert to fraction form
   1,719.89/2,373.47 = 973.83/x
3. Step 3: Cross multiply
   1,719.89x = 2,373.47 × 973.83
4. Step 4: Simplify right side
   1,719.89x = 2,311,345.49
5. Step 5: Solve for x
   x = 2,311,345.49/1,719.89
6. Step 6: Final answer
   x = 1,343.90