Finding the Fourth Proportional to 359,866.72, 539,438.82 and 123,047.43

Step by Step Solution

1. Step 1: Write the proportion equation
   359,866.72 : 539,438.82 = 123,047.43 : x
2. Step 2: Convert to fraction form
   359,866.72/539,438.82 = 123,047.43/x
3. Step 3: Cross multiply
   359,866.72x = 539,438.82 × 123,047.43
4. Step 4: Simplify right side
   359,866.72x = 66,376,560,443.23
5. Step 5: Solve for x
   x = 66,376,560,443.23/359,866.72
6. Step 6: Final answer
   x = 184,447.62