Finding the Fourth Proportional to 1,722.04, 2,376.42 and 936.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.04 : 2,376.42 = 936.10 : x
2. Step 2: Convert to fraction form
   1,722.04/2,376.42 = 936.10/x
3. Step 3: Cross multiply
   1,722.04x = 2,376.42 × 936.10
4. Step 4: Simplify right side
   1,722.04x = 2,224,566.76
5. Step 5: Solve for x
   x = 2,224,566.76/1,722.04
6. Step 6: Final answer
   x = 1,291.82