Finding the Fourth Proportional to 2,547.91, 3,514.63 and 1,602.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.91 : 3,514.63 = 1,602.21 : x
2. Step 2: Convert to fraction form
   2,547.91/3,514.63 = 1,602.21/x
3. Step 3: Cross multiply
   2,547.91x = 3,514.63 × 1,602.21
4. Step 4: Simplify right side
   2,547.91x = 5,631,162.54
5. Step 5: Solve for x
   x = 5,631,162.54/2,547.91
6. Step 6: Final answer
   x = 2,210.11