Finding the Fourth Proportional to 35,557.84, 49,071.31 and 20,450.51

Step by Step Solution

1. Step 1: Write the proportion equation
   35,557.84 : 49,071.31 = 20,450.51 : x
2. Step 2: Convert to fraction form
   35,557.84/49,071.31 = 20,450.51/x
3. Step 3: Cross multiply
   35,557.84x = 49,071.31 × 20,450.51
4. Step 4: Simplify right side
   35,557.84x = 1,003,533,019.39
5. Step 5: Solve for x
   x = 1,003,533,019.39/35,557.84
6. Step 6: Final answer
   x = 28,222.55