Finding the Fourth Proportional to 1,570,562,838.17, 2,355,824,077.98 and 521,783,289.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,562,838.17 : 2,355,824,077.98 = 521,783,289.41 : x
2. Step 2: Convert to fraction form
   1,570,562,838.17/2,355,824,077.98 = 521,783,289.41/x
3. Step 3: Cross multiply
   1,570,562,838.17x = 2,355,824,077.98 × 521,783,289.41
4. Step 4: Simplify right side
   1,570,562,838.17x = 1,229,229,636,665,974,784
5. Step 5: Solve for x
   x = 1,229,229,636,665,974,784/1,570,562,838.17
6. Step 6: Final answer
   x = 782,668,230.01