Finding the Fourth Proportional to 1,719.86, 2,373.23 and 973.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.86 : 2,373.23 = 973.81 : x
2. Step 2: Convert to fraction form
   1,719.86/2,373.23 = 973.81/x
3. Step 3: Cross multiply
   1,719.86x = 2,373.23 × 973.81
4. Step 4: Simplify right side
   1,719.86x = 2,311,080.51
5. Step 5: Solve for x
   x = 2,311,080.51/1,719.86
6. Step 6: Final answer
   x = 1,343.76