Finding the Fourth Proportional to 10,947.90, 16,417.62 and 3,551.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.90 : 16,417.62 = 3,551.28 : x
2. Step 2: Convert to fraction form
   10,947.90/16,417.62 = 3,551.28/x
3. Step 3: Cross multiply
   10,947.90x = 16,417.62 × 3,551.28
4. Step 4: Simplify right side
   10,947.90x = 58,303,565.55
5. Step 5: Solve for x
   x = 58,303,565.55/10,947.90
6. Step 6: Final answer
   x = 5,325.55