Finding the Fourth Proportional to 71,978.56, 107,969.76 and 25,234.24

Step by Step Solution

1. Step 1: Write the proportion equation
   71,978.56 : 107,969.76 = 25,234.24 : x
2. Step 2: Convert to fraction form
   71,978.56/107,969.76 = 25,234.24/x
3. Step 3: Cross multiply
   71,978.56x = 107,969.76 × 25,234.24
4. Step 4: Simplify right side
   71,978.56x = 2,724,534,836.58
5. Step 5: Solve for x
   x = 2,724,534,836.58/71,978.56
6. Step 6: Final answer
   x = 37,852.03