Finding the Fourth Proportional to 3,342.17, 5,009.72 and 2,417.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,342.17 : 5,009.72 = 2,417.29 : x
2. Step 2: Convert to fraction form
   3,342.17/5,009.72 = 2,417.29/x
3. Step 3: Cross multiply
   3,342.17x = 5,009.72 × 2,417.29
4. Step 4: Simplify right side
   3,342.17x = 12,109,921.45
5. Step 5: Solve for x
   x = 12,109,921.45/3,342.17
6. Step 6: Final answer
   x = 3,623.37