Finding the Fourth Proportional to 10,243.50, 15,365.61 and 5,858.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243.50 : 15,365.61 = 5,858.94 : x
2. Step 2: Convert to fraction form
   10,243.50/15,365.61 = 5,858.94/x
3. Step 3: Cross multiply
   10,243.50x = 15,365.61 × 5,858.94
4. Step 4: Simplify right side
   10,243.50x = 90,026,187.05
5. Step 5: Solve for x
   x = 90,026,187.05/10,243.50
6. Step 6: Final answer
   x = 8,788.62