Finding the Fourth Proportional to 308,061.27, 461,040.51 and 258,197.67

Step by Step Solution

1. Step 1: Write the proportion equation
   308,061.27 : 461,040.51 = 258,197.67 : x
2. Step 2: Convert to fraction form
   308,061.27/461,040.51 = 258,197.67/x
3. Step 3: Cross multiply
   308,061.27x = 461,040.51 × 258,197.67
4. Step 4: Simplify right side
   308,061.27x = 119,039,585,457.61
5. Step 5: Solve for x
   x = 119,039,585,457.61/308,061.27
6. Step 6: Final answer
   x = 386,415.29