Finding the Fourth Proportional to 5,978.39, 8,251.19 and 3,460.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.39 : 8,251.19 = 3,460.07 : x
2. Step 2: Convert to fraction form
   5,978.39/8,251.19 = 3,460.07/x
3. Step 3: Cross multiply
   5,978.39x = 8,251.19 × 3,460.07
4. Step 4: Simplify right side
   5,978.39x = 28,549,636.43
5. Step 5: Solve for x
   x = 28,549,636.43/5,978.39
6. Step 6: Final answer
   x = 4,775.48