Finding the Fourth Proportional to 123,630.48, 185,384.28 and 39,379.68

Step by Step Solution

1. Step 1: Write the proportion equation
   123,630.48 : 185,384.28 = 39,379.68 : x
2. Step 2: Convert to fraction form
   123,630.48/185,384.28 = 39,379.68/x
3. Step 3: Cross multiply
   123,630.48x = 185,384.28 × 39,379.68
4. Step 4: Simplify right side
   123,630.48x = 7,300,373,623.43
5. Step 5: Solve for x
   x = 7,300,373,623.43/123,630.48
6. Step 6: Final answer
   x = 59,049.95