Finding the Fourth Proportional to 12,095.89, 18,139.18 and 4,699.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,095.89 : 18,139.18 = 4,699.38 : x
2. Step 2: Convert to fraction form
   12,095.89/18,139.18 = 4,699.38/x
3. Step 3: Cross multiply
   12,095.89x = 18,139.18 × 4,699.38
4. Step 4: Simplify right side
   12,095.89x = 85,242,899.71
5. Step 5: Solve for x
   x = 85,242,899.71/12,095.89
6. Step 6: Final answer
   x = 7,047.26