Finding the Fourth Proportional to 1,367.02, 1,885.62 and 842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.02 : 1,885.62 = 842.50 : x
2. Step 2: Convert to fraction form
   1,367.02/1,885.62 = 842.50/x
3. Step 3: Cross multiply
   1,367.02x = 1,885.62 × 842.50
4. Step 4: Simplify right side
   1,367.02x = 1,588,634.85
5. Step 5: Solve for x
   x = 1,588,634.85/1,367.02
6. Step 6: Final answer
   x = 1,162.12