Finding the Fourth Proportional to 72,527.84, 108,789.47 and 19,936.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,527.84 : 108,789.47 = 19,936.88 : x
2. Step 2: Convert to fraction form
   72,527.84/108,789.47 = 19,936.88/x
3. Step 3: Cross multiply
   72,527.84x = 108,789.47 × 19,936.88
4. Step 4: Simplify right side
   72,527.84x = 2,168,922,608.65
5. Step 5: Solve for x
   x = 2,168,922,608.65/72,527.84
6. Step 6: Final answer
   x = 29,904.69