Finding the Fourth Proportional to 64,550.16, 89,007.30 and 41,859.36

Step by Step Solution

1. Step 1: Write the proportion equation
   64,550.16 : 89,007.30 = 41,859.36 : x
2. Step 2: Convert to fraction form
   64,550.16/89,007.30 = 41,859.36/x
3. Step 3: Cross multiply
   64,550.16x = 89,007.30 × 41,859.36
4. Step 4: Simplify right side
   64,550.16x = 3,725,788,613.33
5. Step 5: Solve for x
   x = 3,725,788,613.33/64,550.16
6. Step 6: Final answer
   x = 57,719.28