Finding the Fourth Proportional to 6,048.34, 9,069.76 and 3,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,048.34 : 9,069.76 = 3,128.69 : x
2. Step 2: Convert to fraction form
   6,048.34/9,069.76 = 3,128.69/x
3. Step 3: Cross multiply
   6,048.34x = 9,069.76 × 3,128.69
4. Step 4: Simplify right side
   6,048.34x = 28,376,494.00
5. Step 5: Solve for x
   x = 28,376,494.00/6,048.34
6. Step 6: Final answer
   x = 4,691.62