Finding the Fourth Proportional to 2,160.17, 3,238.28 and 773.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.17 : 3,238.28 = 773.18 : x
2. Step 2: Convert to fraction form
   2,160.17/3,238.28 = 773.18/x
3. Step 3: Cross multiply
   2,160.17x = 3,238.28 × 773.18
4. Step 4: Simplify right side
   2,160.17x = 2,503,769.46
5. Step 5: Solve for x
   x = 2,503,769.46/2,160.17
6. Step 6: Final answer
   x = 1,159.06