Finding the Fourth Proportional to 1,602.22, 2,401.89 and 575.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.22 : 2,401.89 = 575.98 : x
2. Step 2: Convert to fraction form
   1,602.22/2,401.89 = 575.98/x
3. Step 3: Cross multiply
   1,602.22x = 2,401.89 × 575.98
4. Step 4: Simplify right side
   1,602.22x = 1,383,440.60
5. Step 5: Solve for x
   x = 1,383,440.60/1,602.22
6. Step 6: Final answer
   x = 863.45