Finding the Fourth Proportional to 1,719.14, 2,373.05 and 1,056.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.14 : 2,373.05 = 1,056.89 : x
2. Step 2: Convert to fraction form
   1,719.14/2,373.05 = 1,056.89/x
3. Step 3: Cross multiply
   1,719.14x = 2,373.05 × 1,056.89
4. Step 4: Simplify right side
   1,719.14x = 2,508,035.66
5. Step 5: Solve for x
   x = 2,508,035.66/1,719.14
6. Step 6: Final answer
   x = 1,458.89