Finding the Fourth Proportional to 2,381.76, 3,569.52 and 1,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.76 : 3,569.52 = 1,146.72 : x
2. Step 2: Convert to fraction form
   2,381.76/3,569.52 = 1,146.72/x
3. Step 3: Cross multiply
   2,381.76x = 3,569.52 × 1,146.72
4. Step 4: Simplify right side
   2,381.76x = 4,093,239.97
5. Step 5: Solve for x
   x = 4,093,239.97/2,381.76
6. Step 6: Final answer
   x = 1,718.58