Finding the Fourth Proportional to 9,056.52, 13,586.76 and 3,213.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.52 : 13,586.76 = 3,213.18 : x
2. Step 2: Convert to fraction form
   9,056.52/13,586.76 = 3,213.18/x
3. Step 3: Cross multiply
   9,056.52x = 13,586.76 × 3,213.18
4. Step 4: Simplify right side
   9,056.52x = 43,656,705.50
5. Step 5: Solve for x
   x = 43,656,705.50/9,056.52
6. Step 6: Final answer
   x = 4,820.47