Finding the Fourth Proportional to 35,820.09, 49,417.29 and 21,648.33

Step by Step Solution

1. Step 1: Write the proportion equation
   35,820.09 : 49,417.29 = 21,648.33 : x
2. Step 2: Convert to fraction form
   35,820.09/49,417.29 = 21,648.33/x
3. Step 3: Cross multiply
   35,820.09x = 49,417.29 × 21,648.33
4. Step 4: Simplify right side
   35,820.09x = 1,069,801,801.63
5. Step 5: Solve for x
   x = 1,069,801,801.63/35,820.09
6. Step 6: Final answer
   x = 29,865.97