Finding the Fourth Proportional to 2,417.42, 3,334.15 and 1,620.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.42 : 3,334.15 = 1,620.48 : x
2. Step 2: Convert to fraction form
   2,417.42/3,334.15 = 1,620.48/x
3. Step 3: Cross multiply
   2,417.42x = 3,334.15 × 1,620.48
4. Step 4: Simplify right side
   2,417.42x = 5,402,906.84
5. Step 5: Solve for x
   x = 5,402,906.84/2,417.42
6. Step 6: Final answer
   x = 2,234.99