Finding the Fourth Proportional to 4,752.50, 7,131.72 and 2,287.58

Step by Step Solution

1. Step 1: Write the proportion equation
   4,752.50 : 7,131.72 = 2,287.58 : x
2. Step 2: Convert to fraction form
   4,752.50/7,131.72 = 2,287.58/x
3. Step 3: Cross multiply
   4,752.50x = 7,131.72 × 2,287.58
4. Step 4: Simplify right side
   4,752.50x = 16,314,380.04
5. Step 5: Solve for x
   x = 16,314,380.04/4,752.50
6. Step 6: Final answer
   x = 3,432.80