Finding the Fourth Proportional to 12,071.16, 18,107.69 and 4,675.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.16 : 18,107.69 = 4,675.05 : x
2. Step 2: Convert to fraction form
   12,071.16/18,107.69 = 4,675.05/x
3. Step 3: Cross multiply
   12,071.16x = 18,107.69 × 4,675.05
4. Step 4: Simplify right side
   12,071.16x = 84,654,332.76
5. Step 5: Solve for x
   x = 84,654,332.76/12,071.16
6. Step 6: Final answer
   x = 7,012.94