Finding the Fourth Proportional to 2,620.06, 3,615.82 and 1,625.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.06 : 3,615.82 = 1,625.86 : x
2. Step 2: Convert to fraction form
   2,620.06/3,615.82 = 1,625.86/x
3. Step 3: Cross multiply
   2,620.06x = 3,615.82 × 1,625.86
4. Step 4: Simplify right side
   2,620.06x = 5,878,817.11
5. Step 5: Solve for x
   x = 5,878,817.11/2,620.06
6. Step 6: Final answer
   x = 2,243.77