Finding the Fourth Proportional to 12,096.14, 18,139.55 and 4,699.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096.14 : 18,139.55 = 4,699.63 : x
2. Step 2: Convert to fraction form
   12,096.14/18,139.55 = 4,699.63/x
3. Step 3: Cross multiply
   12,096.14x = 18,139.55 × 4,699.63
4. Step 4: Simplify right side
   12,096.14x = 85,249,139.77
5. Step 5: Solve for x
   x = 85,249,139.77/12,096.14
6. Step 6: Final answer
   x = 7,047.63