Finding the Fourth Proportional to 56,636.24, 78,128.57 and 33,964.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,636.24 : 78,128.57 = 33,964.34 : x
2. Step 2: Convert to fraction form
   56,636.24/78,128.57 = 33,964.34/x
3. Step 3: Cross multiply
   56,636.24x = 78,128.57 × 33,964.34
4. Step 4: Simplify right side
   56,636.24x = 2,653,585,145.37
5. Step 5: Solve for x
   x = 2,653,585,145.37/56,636.24
6. Step 6: Final answer
   x = 46,853.13