Finding the Fourth Proportional to 6,187.50, 8,538.78 and 3,393

Step by Step Solution

1. Step 1: Write the proportion equation
   6,187.50 : 8,538.78 = 3,393 : x
2. Step 2: Convert to fraction form
   6,187.50/8,538.78 = 3,393/x
3. Step 3: Cross multiply
   6,187.50x = 8,538.78 × 3,393
4. Step 4: Simplify right side
   6,187.50x = 28,972,080.54
5. Step 5: Solve for x
   x = 28,972,080.54/6,187.50
6. Step 6: Final answer
   x = 4,682.36