Finding the Fourth Proportional to 1,723.68, 2,583.72 and 749.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.68 : 2,583.72 = 749.52 : x
2. Step 2: Convert to fraction form
   1,723.68/2,583.72 = 749.52/x
3. Step 3: Cross multiply
   1,723.68x = 2,583.72 × 749.52
4. Step 4: Simplify right side
   1,723.68x = 1,936,549.81
5. Step 5: Solve for x
   x = 1,936,549.81/1,723.68
6. Step 6: Final answer
   x = 1,123.50