Finding the Fourth Proportional to 349,665.30, 524,369.34 and 124,965

Step by Step Solution

1. Step 1: Write the proportion equation
   349,665.30 : 524,369.34 = 124,965 : x
2. Step 2: Convert to fraction form
   349,665.30/524,369.34 = 124,965/x
3. Step 3: Cross multiply
   349,665.30x = 524,369.34 × 124,965
4. Step 4: Simplify right side
   349,665.30x = 65,527,814,573.10
5. Step 5: Solve for x
   x = 65,527,814,573.10/349,665.30
6. Step 6: Final answer
   x = 187,401.54