Finding the Fourth Proportional to 1,722.08, 2,376.72 and 1,023.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.08 : 2,376.72 = 1,023.52 : x
2. Step 2: Convert to fraction form
   1,722.08/2,376.72 = 1,023.52/x
3. Step 3: Cross multiply
   1,722.08x = 2,376.72 × 1,023.52
4. Step 4: Simplify right side
   1,722.08x = 2,432,620.45
5. Step 5: Solve for x
   x = 2,432,620.45/1,722.08
6. Step 6: Final answer
   x = 1,412.61