Finding the Fourth Proportional to 9,054.65, 12,494.80 and 5,021.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,054.65 : 12,494.80 = 5,021.69 : x
2. Step 2: Convert to fraction form
   9,054.65/12,494.80 = 5,021.69/x
3. Step 3: Cross multiply
   9,054.65x = 12,494.80 × 5,021.69
4. Step 4: Simplify right side
   9,054.65x = 62,745,030.89
5. Step 5: Solve for x
   x = 62,745,030.89/9,054.65
6. Step 6: Final answer
   x = 6,929.59