Finding the Fourth Proportional to 2,180.79, 3,006.32 and 1,655.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.79 : 3,006.32 = 1,655.91 : x
2. Step 2: Convert to fraction form
   2,180.79/3,006.32 = 1,655.91/x
3. Step 3: Cross multiply
   2,180.79x = 3,006.32 × 1,655.91
4. Step 4: Simplify right side
   2,180.79x = 4,978,187.07
5. Step 5: Solve for x
   x = 4,978,187.07/2,180.79
6. Step 6: Final answer
   x = 2,282.74