Finding the Fourth Proportional to 1,467.71, 2,185.50 and 1,415.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,467.71 : 2,185.50 = 1,415.15 : x
2. Step 2: Convert to fraction form
   1,467.71/2,185.50 = 1,415.15/x
3. Step 3: Cross multiply
   1,467.71x = 2,185.50 × 1,415.15
4. Step 4: Simplify right side
   1,467.71x = 3,092,810.33
5. Step 5: Solve for x
   x = 3,092,810.33/1,467.71
6. Step 6: Final answer
   x = 2,107.24