Finding the Fourth Proportional to 9,806.58, 13,535.73 and 5,615.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,806.58 : 13,535.73 = 5,615.46 : x
2. Step 2: Convert to fraction form
   9,806.58/13,535.73 = 5,615.46/x
3. Step 3: Cross multiply
   9,806.58x = 13,535.73 × 5,615.46
4. Step 4: Simplify right side
   9,806.58x = 76,009,350.39
5. Step 5: Solve for x
   x = 76,009,350.39/9,806.58
6. Step 6: Final answer
   x = 7,750.85