Finding the Fourth Proportional to 674,391.89, 930,649.96 and 368,461.71

Step by Step Solution

1. Step 1: Write the proportion equation
   674,391.89 : 930,649.96 = 368,461.71 : x
2. Step 2: Convert to fraction form
   674,391.89/930,649.96 = 368,461.71/x
3. Step 3: Cross multiply
   674,391.89x = 930,649.96 × 368,461.71
4. Step 4: Simplify right side
   674,391.89x = 342,908,874,061.01
5. Step 5: Solve for x
   x = 342,908,874,061.01/674,391.89
6. Step 6: Final answer
   x = 508,471.23