Finding the Fourth Proportional to 1,719.92, 2,373.72 and 1,090.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.92 : 2,373.72 = 1,090.76 : x
2. Step 2: Convert to fraction form
   1,719.92/2,373.72 = 1,090.76/x
3. Step 3: Cross multiply
   1,719.92x = 2,373.72 × 1,090.76
4. Step 4: Simplify right side
   1,719.92x = 2,589,158.83
5. Step 5: Solve for x
   x = 2,589,158.83/1,719.92
6. Step 6: Final answer
   x = 1,505.39