Finding the Fourth Proportional to 401,023.51, 601,355.52 and 238,994.07

Step by Step Solution

1. Step 1: Write the proportion equation
   401,023.51 : 601,355.52 = 238,994.07 : x
2. Step 2: Convert to fraction form
   401,023.51/601,355.52 = 238,994.07/x
3. Step 3: Cross multiply
   401,023.51x = 601,355.52 × 238,994.07
4. Step 4: Simplify right side
   401,023.51x = 143,720,402,005.83
5. Step 5: Solve for x
   x = 143,720,402,005.83/401,023.51
6. Step 6: Final answer
   x = 358,383.98