Finding the Fourth Proportional to 8,919.32, 13,374.72 and 3,653.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,919.32 : 13,374.72 = 3,653.51 : x
2. Step 2: Convert to fraction form
   8,919.32/13,374.72 = 3,653.51/x
3. Step 3: Cross multiply
   8,919.32x = 13,374.72 × 3,653.51
4. Step 4: Simplify right side
   8,919.32x = 48,864,606.39
5. Step 5: Solve for x
   x = 48,864,606.39/8,919.32
6. Step 6: Final answer
   x = 5,478.52