Finding the Fourth Proportional to 9,534.79, 13,158.12 and 5,343.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,534.79 : 13,158.12 = 5,343.31 : x
2. Step 2: Convert to fraction form
   9,534.79/13,158.12 = 5,343.31/x
3. Step 3: Cross multiply
   9,534.79x = 13,158.12 × 5,343.31
4. Step 4: Simplify right side
   9,534.79x = 70,307,914.18
5. Step 5: Solve for x
   x = 70,307,914.18/9,534.79
6. Step 6: Final answer
   x = 7,373.83