Finding the Fourth Proportional to 683,730.72, 943,528.52 and 377,802.24

Step by Step Solution

1. Step 1: Write the proportion equation
   683,730.72 : 943,528.52 = 377,802.24 : x
2. Step 2: Convert to fraction form
   683,730.72/943,528.52 = 377,802.24/x
3. Step 3: Cross multiply
   683,730.72x = 943,528.52 × 377,802.24
4. Step 4: Simplify right side
   683,730.72x = 356,467,188,359.89
5. Step 5: Solve for x
   x = 356,467,188,359.89/683,730.72
6. Step 6: Final answer
   x = 521,356.11