Finding the Fourth Proportional to 359,522,561.43, 496,483,788.74 and 339,936,021.96

Step by Step Solution

1. Step 1: Write the proportion equation
   359,522,561.43 : 496,483,788.74 = 339,936,021.96 : x
2. Step 2: Convert to fraction form
   359,522,561.43/496,483,788.74 = 339,936,021.96/x
3. Step 3: Cross multiply
   359,522,561.43x = 496,483,788.74 × 339,936,021.96
4. Step 4: Simplify right side
   359,522,561.43x = 168,772,724,111,904,640
5. Step 5: Solve for x
   x = 168,772,724,111,904,640/359,522,561.43
6. Step 6: Final answer
   x = 469,435,696.72