Finding the Fourth Proportional to 9,715.36, 13,405.02 and 5,734.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,715.36 : 13,405.02 = 5,734.34 : x
2. Step 2: Convert to fraction form
   9,715.36/13,405.02 = 5,734.34/x
3. Step 3: Cross multiply
   9,715.36x = 13,405.02 × 5,734.34
4. Step 4: Simplify right side
   9,715.36x = 76,868,963.89
5. Step 5: Solve for x
   x = 76,868,963.89/9,715.36
6. Step 6: Final answer
   x = 7,912.10