Finding the Fourth Proportional to 49,055.12, 73,556.76 and 21,338

Step by Step Solution

1. Step 1: Write the proportion equation
   49,055.12 : 73,556.76 = 21,338 : x
2. Step 2: Convert to fraction form
   49,055.12/73,556.76 = 21,338/x
3. Step 3: Cross multiply
   49,055.12x = 73,556.76 × 21,338
4. Step 4: Simplify right side
   49,055.12x = 1,569,554,144.88
5. Step 5: Solve for x
   x = 1,569,554,144.88/49,055.12
6. Step 6: Final answer
   x = 31,995.73