Finding the Fourth Proportional to 56,636.49, 78,128.91 and 33,964.59

Step by Step Solution

1. Step 1: Write the proportion equation
   56,636.49 : 78,128.91 = 33,964.59 : x
2. Step 2: Convert to fraction form
   56,636.49/78,128.91 = 33,964.59/x
3. Step 3: Cross multiply
   56,636.49x = 78,128.91 × 33,964.59
4. Step 4: Simplify right side
   56,636.49x = 2,653,616,395.30
5. Step 5: Solve for x
   x = 2,653,616,395.30/56,636.49
6. Step 6: Final answer
   x = 46,853.48