Finding the Fourth Proportional to 1,398,773,580.68, 2,098,131,558.50 and 466,164,155.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,773,580.68 : 2,098,131,558.50 = 466,164,155.27 : x
2. Step 2: Convert to fraction form
   1,398,773,580.68/2,098,131,558.50 = 466,164,155.27/x
3. Step 3: Cross multiply
   1,398,773,580.68x = 2,098,131,558.50 × 466,164,155.27
4. Step 4: Simplify right side
   1,398,773,580.68x = 978,073,725,600,659,584
5. Step 5: Solve for x
   x = 978,073,725,600,659,584/1,398,773,580.68
6. Step 6: Final answer
   x = 699,236,630.66