Finding the Fourth Proportional to 1,500.21, 2,247.12 and 719.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.21 : 2,247.12 = 719.06 : x
2. Step 2: Convert to fraction form
   1,500.21/2,247.12 = 719.06/x
3. Step 3: Cross multiply
   1,500.21x = 2,247.12 × 719.06
4. Step 4: Simplify right side
   1,500.21x = 1,615,802.87
5. Step 5: Solve for x
   x = 1,615,802.87/1,500.21
6. Step 6: Final answer
   x = 1,077.05