Finding the Fourth Proportional to 12,095.94, 18,139.30 and 4,699.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,095.94 : 18,139.30 = 4,699.50 : x
2. Step 2: Convert to fraction form
   12,095.94/18,139.30 = 4,699.50/x
3. Step 3: Cross multiply
   12,095.94x = 18,139.30 × 4,699.50
4. Step 4: Simplify right side
   12,095.94x = 85,245,640.35
5. Step 5: Solve for x
   x = 85,245,640.35/12,095.94
6. Step 6: Final answer
   x = 7,047.46