Finding the Fourth Proportional to 35,768.64, 49,362.03 and 21,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,768.64 : 49,362.03 = 21,618.72 : x
2. Step 2: Convert to fraction form
   35,768.64/49,362.03 = 21,618.72/x
3. Step 3: Cross multiply
   35,768.64x = 49,362.03 × 21,618.72
4. Step 4: Simplify right side
   35,768.64x = 1,067,143,905.20
5. Step 5: Solve for x
   x = 1,067,143,905.20/35,768.64
6. Step 6: Final answer
   x = 29,834.62