Finding the Fourth Proportional to 72,563.77, 108,842.82 and 19,971.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,563.77 : 108,842.82 = 19,971.82 : x
2. Step 2: Convert to fraction form
   72,563.77/108,842.82 = 19,971.82/x
3. Step 3: Cross multiply
   72,563.77x = 108,842.82 × 19,971.82
4. Step 4: Simplify right side
   72,563.77x = 2,173,789,209.33
5. Step 5: Solve for x
   x = 2,173,789,209.33/72,563.77
6. Step 6: Final answer
   x = 29,956.95