Finding the Fourth Proportional to 6,145.65, 8,474.31 and 4,152.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.65 : 8,474.31 = 4,152.76 : x
2. Step 2: Convert to fraction form
   6,145.65/8,474.31 = 4,152.76/x
3. Step 3: Cross multiply
   6,145.65x = 8,474.31 × 4,152.76
4. Step 4: Simplify right side
   6,145.65x = 35,191,754.41
5. Step 5: Solve for x
   x = 35,191,754.41/6,145.65
6. Step 6: Final answer
   x = 5,726.29