Finding the Fourth Proportional to 2,116,566,617.08, 3,174,644,631.72 and 642,719,176

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,566,617.08 : 3,174,644,631.72 = 642,719,176 : x
2. Step 2: Convert to fraction form
   2,116,566,617.08/3,174,644,631.72 = 642,719,176/x
3. Step 3: Cross multiply
   2,116,566,617.08x = 3,174,644,631.72 × 642,719,176
4. Step 4: Simplify right side
   2,116,566,617.08x = 2,040,404,981,791,901,696
5. Step 5: Solve for x
   x = 2,040,404,981,791,901,696/2,116,566,617.08
6. Step 6: Final answer
   x = 964,016,424.21