Finding the Fourth Proportional to 1,722.67, 2,374.72 and 1,059.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.67 : 2,374.72 = 1,059.01 : x
2. Step 2: Convert to fraction form
   1,722.67/2,374.72 = 1,059.01/x
3. Step 3: Cross multiply
   1,722.67x = 2,374.72 × 1,059.01
4. Step 4: Simplify right side
   1,722.67x = 2,514,843.64
5. Step 5: Solve for x
   x = 2,514,843.64/1,722.67
6. Step 6: Final answer
   x = 1,459.85