Finding the Fourth Proportional to 25,131.33, 37,698.82 and 8,485.83

Step by Step Solution

1. Step 1: Write the proportion equation
   25,131.33 : 37,698.82 = 8,485.83 : x
2. Step 2: Convert to fraction form
   25,131.33/37,698.82 = 8,485.83/x
3. Step 3: Cross multiply
   25,131.33x = 37,698.82 × 8,485.83
4. Step 4: Simplify right side
   25,131.33x = 319,905,756.51
5. Step 5: Solve for x
   x = 319,905,756.51/25,131.33
6. Step 6: Final answer
   x = 12,729.36