Finding the Fourth Proportional to 8,488.93, 12,736.37 and 3,298.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,488.93 : 12,736.37 = 3,298.45 : x
2. Step 2: Convert to fraction form
   8,488.93/12,736.37 = 3,298.45/x
3. Step 3: Cross multiply
   8,488.93x = 12,736.37 × 3,298.45
4. Step 4: Simplify right side
   8,488.93x = 42,010,279.63
5. Step 5: Solve for x
   x = 42,010,279.63/8,488.93
6. Step 6: Final answer
   x = 4,948.83