Finding the Fourth Proportional to 35,919.47, 49,573.40 and 21,770.51

Step by Step Solution

1. Step 1: Write the proportion equation
   35,919.47 : 49,573.40 = 21,770.51 : x
2. Step 2: Convert to fraction form
   35,919.47/49,573.40 = 21,770.51/x
3. Step 3: Cross multiply
   35,919.47x = 49,573.40 × 21,770.51
4. Step 4: Simplify right side
   35,919.47x = 1,079,238,200.43
5. Step 5: Solve for x
   x = 1,079,238,200.43/35,919.47
6. Step 6: Final answer
   x = 30,046.05