Finding the Fourth Proportional to 35,788.24, 49,392.31 and 21,648.88

Step by Step Solution

1. Step 1: Write the proportion equation
   35,788.24 : 49,392.31 = 21,648.88 : x
2. Step 2: Convert to fraction form
   35,788.24/49,392.31 = 21,648.88/x
3. Step 3: Cross multiply
   35,788.24x = 49,392.31 × 21,648.88
4. Step 4: Simplify right side
   35,788.24x = 1,069,288,014.51
5. Step 5: Solve for x
   x = 1,069,288,014.51/35,788.24
6. Step 6: Final answer
   x = 29,878.20