Finding the Fourth Proportional to 2,460.61, 3,393.06 and 1,620.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.61 : 3,393.06 = 1,620.23 : x
2. Step 2: Convert to fraction form
   2,460.61/3,393.06 = 1,620.23/x
3. Step 3: Cross multiply
   2,460.61x = 3,393.06 × 1,620.23
4. Step 4: Simplify right side
   2,460.61x = 5,497,547.75
5. Step 5: Solve for x
   x = 5,497,547.75/2,460.61
6. Step 6: Final answer
   x = 2,234.23