Finding the Fourth Proportional to 1,500.33, 2,250.42 and 719.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.33 : 2,250.42 = 719.76 : x
2. Step 2: Convert to fraction form
   1,500.33/2,250.42 = 719.76/x
3. Step 3: Cross multiply
   1,500.33x = 2,250.42 × 719.76
4. Step 4: Simplify right side
   1,500.33x = 1,619,762.30
5. Step 5: Solve for x
   x = 1,619,762.30/1,500.33
6. Step 6: Final answer
   x = 1,079.60