Finding the Fourth Proportional to 10,503.30, 15,740.10 and 5,825.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.30 : 15,740.10 = 5,825.37 : x
2. Step 2: Convert to fraction form
   10,503.30/15,740.10 = 5,825.37/x
3. Step 3: Cross multiply
   10,503.30x = 15,740.10 × 5,825.37
4. Step 4: Simplify right side
   10,503.30x = 91,691,906.34
5. Step 5: Solve for x
   x = 91,691,906.34/10,503.30
6. Step 6: Final answer
   x = 8,729.82