Finding the Fourth Proportional to 1,267.02, 1,747.72 and 841.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267.02 : 1,747.72 = 841.67 : x
2. Step 2: Convert to fraction form
   1,267.02/1,747.72 = 841.67/x
3. Step 3: Cross multiply
   1,267.02x = 1,747.72 × 841.67
4. Step 4: Simplify right side
   1,267.02x = 1,470,999.28
5. Step 5: Solve for x
   x = 1,470,999.28/1,267.02
6. Step 6: Final answer
   x = 1,160.99