Finding the Fourth Proportional to 455,158,404.38, 682,461,137.34 and 178,478,151.59

Step by Step Solution

1. Step 1: Write the proportion equation
   455,158,404.38 : 682,461,137.34 = 178,478,151.59 : x
2. Step 2: Convert to fraction form
   455,158,404.38/682,461,137.34 = 178,478,151.59/x
3. Step 3: Cross multiply
   455,158,404.38x = 682,461,137.34 × 178,478,151.59
4. Step 4: Simplify right side
   455,158,404.38x = 121,804,402,321,040,032
5. Step 5: Solve for x
   x = 121,804,402,321,040,032/455,158,404.38
6. Step 6: Final answer
   x = 267,608,817.39