Finding the Fourth Proportional to 432,510.37, 596,839.59 and 258,277.17

Step by Step Solution

1. Step 1: Write the proportion equation
   432,510.37 : 596,839.59 = 258,277.17 : x
2. Step 2: Convert to fraction form
   432,510.37/596,839.59 = 258,277.17/x
3. Step 3: Cross multiply
   432,510.37x = 596,839.59 × 258,277.17
4. Step 4: Simplify right side
   432,510.37x = 154,150,042,487.31
5. Step 5: Solve for x
   x = 154,150,042,487.31/432,510.37
6. Step 6: Final answer
   x = 356,407.74