Finding the Fourth Proportional to 9,056.46, 13,586.73 and 3,213.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.46 : 13,586.73 = 3,213.06 : x
2. Step 2: Convert to fraction form
   9,056.46/13,586.73 = 3,213.06/x
3. Step 3: Cross multiply
   9,056.46x = 13,586.73 × 3,213.06
4. Step 4: Simplify right side
   9,056.46x = 43,654,978.69
5. Step 5: Solve for x
   x = 43,654,978.69/9,056.46
6. Step 6: Final answer
   x = 4,820.31