Finding the Fourth Proportional to 1,487.16, 2,218.59 and 1,467.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487.16 : 2,218.59 = 1,467.72 : x
2. Step 2: Convert to fraction form
   1,487.16/2,218.59 = 1,467.72/x
3. Step 3: Cross multiply
   1,487.16x = 2,218.59 × 1,467.72
4. Step 4: Simplify right side
   1,487.16x = 3,256,268.91
5. Step 5: Solve for x
   x = 3,256,268.91/1,487.16
6. Step 6: Final answer
   x = 2,189.59