Finding the Fourth Proportional to 2,211.52, 3,051.12 and 1,279.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211.52 : 3,051.12 = 1,279.52 : x
2. Step 2: Convert to fraction form
   2,211.52/3,051.12 = 1,279.52/x
3. Step 3: Cross multiply
   2,211.52x = 3,051.12 × 1,279.52
4. Step 4: Simplify right side
   2,211.52x = 3,903,969.06
5. Step 5: Solve for x
   x = 3,903,969.06/2,211.52
6. Step 6: Final answer
   x = 1,765.29