Finding the Fourth Proportional to 10,947.84, 16,424.06 and 3,551.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.84 : 16,424.06 = 3,551.72 : x
2. Step 2: Convert to fraction form
   10,947.84/16,424.06 = 3,551.72/x
3. Step 3: Cross multiply
   10,947.84x = 16,424.06 × 3,551.72
4. Step 4: Simplify right side
   10,947.84x = 58,333,562.50
5. Step 5: Solve for x
   x = 58,333,562.50/10,947.84
6. Step 6: Final answer
   x = 5,328.32