Finding the Fourth Proportional to 5,978.53, 8,956.53 and 3,506

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.53 : 8,956.53 = 3,506 : x
2. Step 2: Convert to fraction form
   5,978.53/8,956.53 = 3,506/x
3. Step 3: Cross multiply
   5,978.53x = 8,956.53 × 3,506
4. Step 4: Simplify right side
   5,978.53x = 31,401,594.18
5. Step 5: Solve for x
   x = 31,401,594.18/5,978.53
6. Step 6: Final answer
   x = 5,252.40