Finding the Fourth Proportional to 5,978.32, 8,251.13 and 3,460.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.32 : 8,251.13 = 3,460.03 : x
2. Step 2: Convert to fraction form
   5,978.32/8,251.13 = 3,460.03/x
3. Step 3: Cross multiply
   5,978.32x = 8,251.13 × 3,460.03
4. Step 4: Simplify right side
   5,978.32x = 28,549,157.33
5. Step 5: Solve for x
   x = 28,549,157.33/5,978.32
6. Step 6: Final answer
   x = 4,775.45