Finding the Fourth Proportional to 1,402.02, 1,934.94 and 842.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.02 : 1,934.94 = 842.46 : x
2. Step 2: Convert to fraction form
   1,402.02/1,934.94 = 842.46/x
3. Step 3: Cross multiply
   1,402.02x = 1,934.94 × 842.46
4. Step 4: Simplify right side
   1,402.02x = 1,630,109.55
5. Step 5: Solve for x
   x = 1,630,109.55/1,402.02
6. Step 6: Final answer
   x = 1,162.69