Finding the Fourth Proportional to 72,594.84, 108,872.82 and 19,991.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,594.84 : 108,872.82 = 19,991.82 : x
2. Step 2: Convert to fraction form
   72,594.84/108,872.82 = 19,991.82/x
3. Step 3: Cross multiply
   72,594.84x = 108,872.82 × 19,991.82
4. Step 4: Simplify right side
   72,594.84x = 2,176,565,820.33
5. Step 5: Solve for x
   x = 2,176,565,820.33/72,594.84
6. Step 6: Final answer
   x = 29,982.38