Finding the Fourth Proportional to 6,109.47, 8,429.79 and 3,457.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.47 : 8,429.79 = 3,457.53 : x
2. Step 2: Convert to fraction form
   6,109.47/8,429.79 = 3,457.53/x
3. Step 3: Cross multiply
   6,109.47x = 8,429.79 × 3,457.53
4. Step 4: Simplify right side
   6,109.47x = 29,146,251.82
5. Step 5: Solve for x
   x = 29,146,251.82/6,109.47
6. Step 6: Final answer
   x = 4,770.67