Finding the Fourth Proportional to 12,802.46, 19,209.83 and 5,787.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,802.46 : 19,209.83 = 5,787.45 : x
2. Step 2: Convert to fraction form
   12,802.46/19,209.83 = 5,787.45/x
3. Step 3: Cross multiply
   12,802.46x = 19,209.83 × 5,787.45
4. Step 4: Simplify right side
   12,802.46x = 111,175,901.70
5. Step 5: Solve for x
   x = 111,175,901.70/12,802.46
6. Step 6: Final answer
   x = 8,683.95