Finding the Fourth Proportional to 53,196.81, 79,786.56 and 25,116.81

Step by Step Solution

1. Step 1: Write the proportion equation
   53,196.81 : 79,786.56 = 25,116.81 : x
2. Step 2: Convert to fraction form
   53,196.81/79,786.56 = 25,116.81/x
3. Step 3: Cross multiply
   53,196.81x = 79,786.56 × 25,116.81
4. Step 4: Simplify right side
   53,196.81x = 2,003,983,868.07
5. Step 5: Solve for x
   x = 2,003,983,868.07/53,196.81
6. Step 6: Final answer
   x = 37,671.13