Finding the Fourth Proportional to 706,499.50, 974,969.31 and 404,712.94

Step by Step Solution

1. Step 1: Write the proportion equation
   706,499.50 : 974,969.31 = 404,712.94 : x
2. Step 2: Convert to fraction form
   706,499.50/974,969.31 = 404,712.94/x
3. Step 3: Cross multiply
   706,499.50x = 974,969.31 × 404,712.94
4. Step 4: Simplify right side
   706,499.50x = 394,582,695,859.87
5. Step 5: Solve for x
   x = 394,582,695,859.87/706,499.50
6. Step 6: Final answer
   x = 558,503.86