Finding the Fourth Proportional to 706,093.78, 974,385.54 and 404,229.46

Step by Step Solution

1. Step 1: Write the proportion equation
   706,093.78 : 974,385.54 = 404,229.46 : x
2. Step 2: Convert to fraction form
   706,093.78/974,385.54 = 404,229.46/x
3. Step 3: Cross multiply
   706,093.78x = 974,385.54 × 404,229.46
4. Step 4: Simplify right side
   706,093.78x = 393,875,340,666.01
5. Step 5: Solve for x
   x = 393,875,340,666.01/706,093.78
6. Step 6: Final answer
   x = 557,822.99