Finding the Fourth Proportional to 6,142.65, 8,476.85 and 3,348.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142.65 : 8,476.85 = 3,348.15 : x
2. Step 2: Convert to fraction form
   6,142.65/8,476.85 = 3,348.15/x
3. Step 3: Cross multiply
   6,142.65x = 8,476.85 × 3,348.15
4. Step 4: Simplify right side
   6,142.65x = 28,381,748.59
5. Step 5: Solve for x
   x = 28,381,748.59/6,142.65
6. Step 6: Final answer
   x = 4,620.44