Finding the Fourth Proportional to 462,082.89, 637,632.78 and 258,115.98

Step by Step Solution

1. Step 1: Write the proportion equation
   462,082.89 : 637,632.78 = 258,115.98 : x
2. Step 2: Convert to fraction form
   462,082.89/637,632.78 = 258,115.98/x
3. Step 3: Cross multiply
   462,082.89x = 637,632.78 × 258,115.98
4. Step 4: Simplify right side
   462,082.89x = 164,583,209,889.82
5. Step 5: Solve for x
   x = 164,583,209,889.82/462,082.89
6. Step 6: Final answer
   x = 356,176.81