Finding the Fourth Proportional to 8,956.31, 12,365.51 and 5,604.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,956.31 : 12,365.51 = 5,604.12 : x
2. Step 2: Convert to fraction form
   8,956.31/12,365.51 = 5,604.12/x
3. Step 3: Cross multiply
   8,956.31x = 12,365.51 × 5,604.12
4. Step 4: Simplify right side
   8,956.31x = 69,297,773.88
5. Step 5: Solve for x
   x = 69,297,773.88/8,956.31
6. Step 6: Final answer
   x = 7,737.32