Finding the Fourth Proportional to 10,947.60, 16,422.54 and 3,551.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.60 : 16,422.54 = 3,551.76 : x
2. Step 2: Convert to fraction form
   10,947.60/16,422.54 = 3,551.76/x
3. Step 3: Cross multiply
   10,947.60x = 16,422.54 × 3,551.76
4. Step 4: Simplify right side
   10,947.60x = 58,328,920.67
5. Step 5: Solve for x
   x = 58,328,920.67/10,947.60
6. Step 6: Final answer
   x = 5,328.01