Finding the Fourth Proportional to 8,394.30, 12,591.72 and 3,460.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,394.30 : 12,591.72 = 3,460.59 : x
2. Step 2: Convert to fraction form
   8,394.30/12,591.72 = 3,460.59/x
3. Step 3: Cross multiply
   8,394.30x = 12,591.72 × 3,460.59
4. Step 4: Simplify right side
   8,394.30x = 43,574,780.31
5. Step 5: Solve for x
   x = 43,574,780.31/8,394.30
6. Step 6: Final answer
   x = 5,191.00