Finding the Fourth Proportional to 72,453.56, 108,698.34 and 25,711.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,453.56 : 108,698.34 = 25,711.16 : x
2. Step 2: Convert to fraction form
   72,453.56/108,698.34 = 25,711.16/x
3. Step 3: Cross multiply
   72,453.56x = 108,698.34 × 25,711.16
4. Step 4: Simplify right side
   72,453.56x = 2,794,760,411.47
5. Step 5: Solve for x
   x = 2,794,760,411.47/72,453.56
6. Step 6: Final answer
   x = 38,573.13