Finding the Fourth Proportional to 424,388.76, 585,667.58 and 233,407.17

Step by Step Solution

1. Step 1: Write the proportion equation
   424,388.76 : 585,667.58 = 233,407.17 : x
2. Step 2: Convert to fraction form
   424,388.76/585,667.58 = 233,407.17/x
3. Step 3: Cross multiply
   424,388.76x = 585,667.58 × 233,407.17
4. Step 4: Simplify right side
   424,388.76x = 136,699,011,241.51
5. Step 5: Solve for x
   x = 136,699,011,241.51/424,388.76
6. Step 6: Final answer
   x = 322,107.99