Finding the Fourth Proportional to 705,708, 973,877.04 and 387,756

Step by Step Solution

1. Step 1: Write the proportion equation
   705,708 : 973,877.04 = 387,756 : x
2. Step 2: Convert to fraction form
   705,708/973,877.04 = 387,756/x
3. Step 3: Cross multiply
   705,708x = 973,877.04 × 387,756
4. Step 4: Simplify right side
   705,708x = 377,626,665,522.24
5. Step 5: Solve for x
   x = 377,626,665,522.24/705,708
6. Step 6: Final answer
   x = 535,103.28