Finding the Fourth Proportional to 5,978.02, 8,250.66 and 3,459.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.02 : 8,250.66 = 3,459.69 : x
2. Step 2: Convert to fraction form
   5,978.02/8,250.66 = 3,459.69/x
3. Step 3: Cross multiply
   5,978.02x = 8,250.66 × 3,459.69
4. Step 4: Simplify right side
   5,978.02x = 28,544,725.90
5. Step 5: Solve for x
   x = 28,544,725.90/5,978.02
6. Step 6: Final answer
   x = 4,774.95