Finding the Fourth Proportional to 8,904.61, 12,288.81 and 5,368.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,904.61 : 12,288.81 = 5,368.96 : x
2. Step 2: Convert to fraction form
   8,904.61/12,288.81 = 5,368.96/x
3. Step 3: Cross multiply
   8,904.61x = 12,288.81 × 5,368.96
4. Step 4: Simplify right side
   8,904.61x = 65,978,129.34
5. Step 5: Solve for x
   x = 65,978,129.34/8,904.61
6. Step 6: Final answer
   x = 7,409.44