Finding the Fourth Proportional to 50,905.56, 76,345.98 and 21,345.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,905.56 : 76,345.98 = 21,345.52 : x
2. Step 2: Convert to fraction form
   50,905.56/76,345.98 = 21,345.52/x
3. Step 3: Cross multiply
   50,905.56x = 76,345.98 × 21,345.52
4. Step 4: Simplify right side
   50,905.56x = 1,629,644,643.01
5. Step 5: Solve for x
   x = 1,629,644,643.01/50,905.56
6. Step 6: Final answer
   x = 32,013.10