Finding the Fourth Proportional to 5,358.69, 7,985.43 and 5,182.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,358.69 : 7,985.43 = 5,182.50 : x
2. Step 2: Convert to fraction form
   5,358.69/7,985.43 = 5,182.50/x
3. Step 3: Cross multiply
   5,358.69x = 7,985.43 × 5,182.50
4. Step 4: Simplify right side
   5,358.69x = 41,384,490.98
5. Step 5: Solve for x
   x = 41,384,490.98/5,358.69
6. Step 6: Final answer
   x = 7,722.87