Finding the Fourth Proportional to 12,683.80, 19,028.94 and 4,890.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.80 : 19,028.94 = 4,890.52 : x
2. Step 2: Convert to fraction form
   12,683.80/19,028.94 = 4,890.52/x
3. Step 3: Cross multiply
   12,683.80x = 19,028.94 × 4,890.52
4. Step 4: Simplify right side
   12,683.80x = 93,061,411.65
5. Step 5: Solve for x
   x = 93,061,411.65/12,683.80
6. Step 6: Final answer
   x = 7,337.03