Finding the Fourth Proportional to 647,573.50, 893,651.43 and 379,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,573.50 : 893,651.43 = 379,301.50 : x
2. Step 2: Convert to fraction form
   647,573.50/893,651.43 = 379,301.50/x
3. Step 3: Cross multiply
   647,573.50x = 893,651.43 × 379,301.50
4. Step 4: Simplify right side
   647,573.50x = 338,963,327,876.15
5. Step 5: Solve for x
   x = 338,963,327,876.15/647,573.50
6. Step 6: Final answer
   x = 523,436.07