Finding the Fourth Proportional to 12,091.96, 18,142.49 and 4,696.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,091.96 : 18,142.49 = 4,696.86 : x
2. Step 2: Convert to fraction form
   12,091.96/18,142.49 = 4,696.86/x
3. Step 3: Cross multiply
   12,091.96x = 18,142.49 × 4,696.86
4. Step 4: Simplify right side
   12,091.96x = 85,212,747.32
5. Step 5: Solve for x
   x = 85,212,747.32/12,091.96
6. Step 6: Final answer
   x = 7,047.06