Finding the Fourth Proportional to 35,718.64, 49,291.68 and 21,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,718.64 : 49,291.68 = 21,568.72 : x
2. Step 2: Convert to fraction form
   35,718.64/49,291.68 = 21,568.72/x
3. Step 3: Cross multiply
   35,718.64x = 49,291.68 × 21,568.72
4. Step 4: Simplify right side
   35,718.64x = 1,063,158,444.25
5. Step 5: Solve for x
   x = 1,063,158,444.25/35,718.64
6. Step 6: Final answer
   x = 29,764.81