Finding the Fourth Proportional to 57,429.60, 86,109.12 and 22,328.34

Step by Step Solution

1. Step 1: Write the proportion equation
   57,429.60 : 86,109.12 = 22,328.34 : x
2. Step 2: Convert to fraction form
   57,429.60/86,109.12 = 22,328.34/x
3. Step 3: Cross multiply
   57,429.60x = 86,109.12 × 22,328.34
4. Step 4: Simplify right side
   57,429.60x = 1,922,673,708.46
5. Step 5: Solve for x
   x = 1,922,673,708.46/57,429.60
6. Step 6: Final answer
   x = 33,478.79