Finding the Fourth Proportional to 72,375.39, 108,567.14 and 19,783.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,375.39 : 108,567.14 = 19,783.71 : x
2. Step 2: Convert to fraction form
   72,375.39/108,567.14 = 19,783.71/x
3. Step 3: Cross multiply
   72,375.39x = 108,567.14 × 19,783.71
4. Step 4: Simplify right side
   72,375.39x = 2,147,860,714.37
5. Step 5: Solve for x
   x = 2,147,860,714.37/72,375.39
6. Step 6: Final answer
   x = 29,676.67