Finding the Fourth Proportional to 57,196.40, 78,904.33 and 35,987.36

Step by Step Solution

1. Step 1: Write the proportion equation
   57,196.40 : 78,904.33 = 35,987.36 : x
2. Step 2: Convert to fraction form
   57,196.40/78,904.33 = 35,987.36/x
3. Step 3: Cross multiply
   57,196.40x = 78,904.33 × 35,987.36
4. Step 4: Simplify right side
   57,196.40x = 2,839,558,044.78
5. Step 5: Solve for x
   x = 2,839,558,044.78/57,196.40
6. Step 6: Final answer
   x = 49,645.75