Finding the Fourth Proportional to 11,574.50, 15,964.65 and 7,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,574.50 : 15,964.65 = 7,100.42 : x
2. Step 2: Convert to fraction form
   11,574.50/15,964.65 = 7,100.42/x
3. Step 3: Cross multiply
   11,574.50x = 15,964.65 × 7,100.42
4. Step 4: Simplify right side
   11,574.50x = 113,355,640.33
5. Step 5: Solve for x
   x = 113,355,640.33/11,574.50
6. Step 6: Final answer
   x = 9,793.57