Finding the Fourth Proportional to 10,522.46, 15,785.15 and 3,858.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,522.46 : 15,785.15 = 3,858.10 : x
2. Step 2: Convert to fraction form
   10,522.46/15,785.15 = 3,858.10/x
3. Step 3: Cross multiply
   10,522.46x = 15,785.15 × 3,858.10
4. Step 4: Simplify right side
   10,522.46x = 60,900,628.46
5. Step 5: Solve for x
   x = 60,900,628.46/10,522.46
6. Step 6: Final answer
   x = 5,787.68