Finding the Fourth Proportional to 2,552.42, 3,521.40 and 1,607.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.42 : 3,521.40 = 1,607.96 : x
2. Step 2: Convert to fraction form
   2,552.42/3,521.40 = 1,607.96/x
3. Step 3: Cross multiply
   2,552.42x = 3,521.40 × 1,607.96
4. Step 4: Simplify right side
   2,552.42x = 5,662,270.34
5. Step 5: Solve for x
   x = 5,662,270.34/2,552.42
6. Step 6: Final answer
   x = 2,218.39