Finding the Fourth Proportional to 606,705.50, 837,556.71 and 377,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   606,705.50 : 837,556.71 = 377,336.72 : x
2. Step 2: Convert to fraction form
   606,705.50/837,556.71 = 377,336.72/x
3. Step 3: Cross multiply
   606,705.50x = 837,556.71 × 377,336.72
4. Step 4: Simplify right side
   606,705.50x = 316,040,899,878.71
5. Step 5: Solve for x
   x = 316,040,899,878.71/606,705.50
6. Step 6: Final answer
   x = 520,913.20