Finding the Fourth Proportional to 3,990.77, 5,990.52 and 2,326.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990.77 : 5,990.52 = 2,326.73 : x
2. Step 2: Convert to fraction form
   3,990.77/5,990.52 = 2,326.73/x
3. Step 3: Cross multiply
   3,990.77x = 5,990.52 × 2,326.73
4. Step 4: Simplify right side
   3,990.77x = 13,938,301.37
5. Step 5: Solve for x
   x = 13,938,301.37/3,990.77
6. Step 6: Final answer
   x = 3,492.64