Finding the Fourth Proportional to 35,772.59, 49,370.72 and 21,625.40

Step by Step Solution

1. Step 1: Write the proportion equation
   35,772.59 : 49,370.72 = 21,625.40 : x
2. Step 2: Convert to fraction form
   35,772.59/49,370.72 = 21,625.40/x
3. Step 3: Cross multiply
   35,772.59x = 49,370.72 × 21,625.40
4. Step 4: Simplify right side
   35,772.59x = 1,067,661,213.31
5. Step 5: Solve for x
   x = 1,067,661,213.31/35,772.59
6. Step 6: Final answer
   x = 29,845.79