Finding the Fourth Proportional to 7,111.42, 10,667.18 and 4,661.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.42 : 10,667.18 = 4,661.75 : x
2. Step 2: Convert to fraction form
   7,111.42/10,667.18 = 4,661.75/x
3. Step 3: Cross multiply
   7,111.42x = 10,667.18 × 4,661.75
4. Step 4: Simplify right side
   7,111.42x = 49,727,649.72
5. Step 5: Solve for x
   x = 49,727,649.72/7,111.42
6. Step 6: Final answer
   x = 6,992.65