Finding the Fourth Proportional to 9,347.76, 12,900.60 and 5,369.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,347.76 : 12,900.60 = 5,369.04 : x
2. Step 2: Convert to fraction form
   9,347.76/12,900.60 = 5,369.04/x
3. Step 3: Cross multiply
   9,347.76x = 12,900.60 × 5,369.04
4. Step 4: Simplify right side
   9,347.76x = 69,263,837.42
5. Step 5: Solve for x
   x = 69,263,837.42/9,347.76
6. Step 6: Final answer
   x = 7,409.67