Finding the Fourth Proportional to 2,665.23, 3,670.41 and 2,607.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.23 : 3,670.41 = 2,607.99 : x
2. Step 2: Convert to fraction form
   2,665.23/3,670.41 = 2,607.99/x
3. Step 3: Cross multiply
   2,665.23x = 3,670.41 × 2,607.99
4. Step 4: Simplify right side
   2,665.23x = 9,572,392.58
5. Step 5: Solve for x
   x = 9,572,392.58/2,665.23
6. Step 6: Final answer
   x = 3,591.58