Finding the Fourth Proportional to 7,111.61, 10,667.46 and 4,661.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.61 : 10,667.46 = 4,661.94 : x
2. Step 2: Convert to fraction form
   7,111.61/10,667.46 = 4,661.94/x
3. Step 3: Cross multiply
   7,111.61x = 10,667.46 × 4,661.94
4. Step 4: Simplify right side
   7,111.61x = 49,731,055.95
5. Step 5: Solve for x
   x = 49,731,055.95/7,111.61
6. Step 6: Final answer
   x = 6,992.94