Finding the Fourth Proportional to 1,607.55, 2,415.38 and 1,022.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.55 : 2,415.38 = 1,022.82 : x
2. Step 2: Convert to fraction form
   1,607.55/2,415.38 = 1,022.82/x
3. Step 3: Cross multiply
   1,607.55x = 2,415.38 × 1,022.82
4. Step 4: Simplify right side
   1,607.55x = 2,470,484.80
5. Step 5: Solve for x
   x = 2,470,484.80/1,607.55
6. Step 6: Final answer
   x = 1,536.80