Finding the Fourth Proportional to 200,355.78, 300,464.49 and 58,162.51

Step by Step Solution

1. Step 1: Write the proportion equation
   200,355.78 : 300,464.49 = 58,162.51 : x
2. Step 2: Convert to fraction form
   200,355.78/300,464.49 = 58,162.51/x
3. Step 3: Cross multiply
   200,355.78x = 300,464.49 × 58,162.51
4. Step 4: Simplify right side
   200,355.78x = 17,475,768,904.27
5. Step 5: Solve for x
   x = 17,475,768,904.27/200,355.78
6. Step 6: Final answer
   x = 87,223.68