Finding the Fourth Proportional to 706,482.72, 974,971.72 and 404,735.04

Step by Step Solution

1. Step 1: Write the proportion equation
   706,482.72 : 974,971.72 = 404,735.04 : x
2. Step 2: Convert to fraction form
   706,482.72/974,971.72 = 404,735.04/x
3. Step 3: Cross multiply
   706,482.72x = 974,971.72 × 404,735.04
4. Step 4: Simplify right side
   706,482.72x = 394,605,218,093.07
5. Step 5: Solve for x
   x = 394,605,218,093.07/706,482.72
6. Step 6: Final answer
   x = 558,549.00