Finding the Fourth Proportional to 12,874.94, 19,304.88 and 5,475.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,874.94 : 19,304.88 = 5,475.59 : x
2. Step 2: Convert to fraction form
   12,874.94/19,304.88 = 5,475.59/x
3. Step 3: Cross multiply
   12,874.94x = 19,304.88 × 5,475.59
4. Step 4: Simplify right side
   12,874.94x = 105,705,511.35
5. Step 5: Solve for x
   x = 105,705,511.35/12,874.94
6. Step 6: Final answer
   x = 8,210.18