Finding the Fourth Proportional to 9,527.58, 13,139.94 and 7,534.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,527.58 : 13,139.94 = 7,534.68 : x
2. Step 2: Convert to fraction form
   9,527.58/13,139.94 = 7,534.68/x
3. Step 3: Cross multiply
   9,527.58x = 13,139.94 × 7,534.68
4. Step 4: Simplify right side
   9,527.58x = 99,005,243.12
5. Step 5: Solve for x
   x = 99,005,243.12/9,527.58
6. Step 6: Final answer
   x = 10,391.44