Finding the Fourth Proportional to 3,547.43, 5,284.72 and 3,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547.43 : 5,284.72 = 3,387.50 : x
2. Step 2: Convert to fraction form
   3,547.43/5,284.72 = 3,387.50/x
3. Step 3: Cross multiply
   3,547.43x = 5,284.72 × 3,387.50
4. Step 4: Simplify right side
   3,547.43x = 17,901,954.11
5. Step 5: Solve for x
   x = 17,901,954.11/3,547.43
6. Step 6: Final answer
   x = 5,046.46