Finding the Fourth Proportional to 6,142.52, 8,474.26 and 3,780.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142.52 : 8,474.26 = 3,780.56 : x
2. Step 2: Convert to fraction form
   6,142.52/8,474.26 = 3,780.56/x
3. Step 3: Cross multiply
   6,142.52x = 8,474.26 × 3,780.56
4. Step 4: Simplify right side
   6,142.52x = 32,037,448.39
5. Step 5: Solve for x
   x = 32,037,448.39/6,142.52
6. Step 6: Final answer
   x = 5,215.68