Finding the Fourth Proportional to 1,719.69, 2,373.33 and 973.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.69 : 2,373.33 = 973.77 : x
2. Step 2: Convert to fraction form
   1,719.69/2,373.33 = 973.77/x
3. Step 3: Cross multiply
   1,719.69x = 2,373.33 × 973.77
4. Step 4: Simplify right side
   1,719.69x = 2,311,077.55
5. Step 5: Solve for x
   x = 2,311,077.55/1,719.69
6. Step 6: Final answer
   x = 1,343.89