Finding the Fourth Proportional to 2,123,641,132.14, 3,185,471,774.21 and 649,778,590.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,641,132.14 : 3,185,471,774.21 = 649,778,590.29 : x
2. Step 2: Convert to fraction form
   2,123,641,132.14/3,185,471,774.21 = 649,778,590.29/x
3. Step 3: Cross multiply
   2,123,641,132.14x = 3,185,471,774.21 × 649,778,590.29
4. Step 4: Simplify right side
   2,123,641,132.14x = 2,069,851,358,851,510,016
5. Step 5: Solve for x
   x = 2,069,851,358,851,510,016/2,123,641,132.14
6. Step 6: Final answer
   x = 974,670,968.43