Finding the Fourth Proportional to 1,621.82, 2,238.32 and 1,062.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621.82 : 2,238.32 = 1,062.77 : x
2. Step 2: Convert to fraction form
   1,621.82/2,238.32 = 1,062.77/x
3. Step 3: Cross multiply
   1,621.82x = 2,238.32 × 1,062.77
4. Step 4: Simplify right side
   1,621.82x = 2,378,810.81
5. Step 5: Solve for x
   x = 2,378,810.81/1,621.82
6. Step 6: Final answer
   x = 1,466.75