Finding the Fourth Proportional to 3,091.32, 4,629.29 and 2,162.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,091.32 : 4,629.29 = 2,162.53 : x
2. Step 2: Convert to fraction form
   3,091.32/4,629.29 = 2,162.53/x
3. Step 3: Cross multiply
   3,091.32x = 4,629.29 × 2,162.53
4. Step 4: Simplify right side
   3,091.32x = 10,010,996.61
5. Step 5: Solve for x
   x = 10,010,996.61/3,091.32
6. Step 6: Final answer
   x = 3,238.42