Finding the Fourth Proportional to 1,500.81, 2,238.41 and 1,448.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.81 : 2,238.41 = 1,448.57 : x
2. Step 2: Convert to fraction form
   1,500.81/2,238.41 = 1,448.57/x
3. Step 3: Cross multiply
   1,500.81x = 2,238.41 × 1,448.57
4. Step 4: Simplify right side
   1,500.81x = 3,242,475.14
5. Step 5: Solve for x
   x = 3,242,475.14/1,500.81
6. Step 6: Final answer
   x = 2,160.48