Finding the Fourth Proportional to 987,404.50, 1,481,111.61 and 239,450.50

Step by Step Solution

1. Step 1: Write the proportion equation
   987,404.50 : 1,481,111.61 = 239,450.50 : x
2. Step 2: Convert to fraction form
   987,404.50/1,481,111.61 = 239,450.50/x
3. Step 3: Cross multiply
   987,404.50x = 1,481,111.61 × 239,450.50
4. Step 4: Simplify right side
   987,404.50x = 354,652,915,570.31
5. Step 5: Solve for x
   x = 354,652,915,570.31/987,404.50
6. Step 6: Final answer
   x = 359,176.93