Finding the Fourth Proportional to 10,946.58, 16,422.27 and 3,551.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,946.58 : 16,422.27 = 3,551.78 : x
2. Step 2: Convert to fraction form
   10,946.58/16,422.27 = 3,551.78/x
3. Step 3: Cross multiply
   10,946.58x = 16,422.27 × 3,551.78
4. Step 4: Simplify right side
   10,946.58x = 58,328,317.88
5. Step 5: Solve for x
   x = 58,328,317.88/10,946.58
6. Step 6: Final answer
   x = 5,328.45