Finding the Fourth Proportional to 1,500.15, 2,247.53 and 1,409.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.15 : 2,247.53 = 1,409.79 : x
2. Step 2: Convert to fraction form
   1,500.15/2,247.53 = 1,409.79/x
3. Step 3: Cross multiply
   1,500.15x = 2,247.53 × 1,409.79
4. Step 4: Simplify right side
   1,500.15x = 3,168,538.27
5. Step 5: Solve for x
   x = 3,168,538.27/1,500.15
6. Step 6: Final answer
   x = 2,112.15