Finding the Fourth Proportional to 419,417.00, 629,078.39 and 115,854.30

Step by Step Solution

1. Step 1: Write the proportion equation
   419,417.00 : 629,078.39 = 115,854.30 : x
2. Step 2: Convert to fraction form
   419,417.00/629,078.39 = 115,854.30/x
3. Step 3: Cross multiply
   419,417.00x = 629,078.39 × 115,854.30
4. Step 4: Simplify right side
   419,417.00x = 72,881,435,939.31
5. Step 5: Solve for x
   x = 72,881,435,939.31/419,417.00
6. Step 6: Final answer
   x = 173,768.44