Finding the Fourth Proportional to 10,951.31, 16,423.52 and 3,554.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,951.31 : 16,423.52 = 3,554.06 : x
2. Step 2: Convert to fraction form
   10,951.31/16,423.52 = 3,554.06/x
3. Step 3: Cross multiply
   10,951.31x = 16,423.52 × 3,554.06
4. Step 4: Simplify right side
   10,951.31x = 58,370,075.60
5. Step 5: Solve for x
   x = 58,370,075.60/10,951.31
6. Step 6: Final answer
   x = 5,329.97