Finding the Fourth Proportional to 10,122.45, 15,191.37 and 3,554.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,122.45 : 15,191.37 = 3,554.16 : x
2. Step 2: Convert to fraction form
   10,122.45/15,191.37 = 3,554.16/x
3. Step 3: Cross multiply
   10,122.45x = 15,191.37 × 3,554.16
4. Step 4: Simplify right side
   10,122.45x = 53,992,559.60
5. Step 5: Solve for x
   x = 53,992,559.60/10,122.45
6. Step 6: Final answer
   x = 5,333.94