Finding the Fourth Proportional to 2,123,641,130.27, 3,185,471,771.39 and 649,778,588.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,641,130.27 : 3,185,471,771.39 = 649,778,588.42 : x
2. Step 2: Convert to fraction form
   2,123,641,130.27/3,185,471,771.39 = 649,778,588.42/x
3. Step 3: Cross multiply
   2,123,641,130.27x = 3,185,471,771.39 × 649,778,588.42
4. Step 4: Simplify right side
   2,123,641,130.27x = 2,069,851,351,051,248,128
5. Step 5: Solve for x
   x = 2,069,851,351,051,248,128/2,123,641,130.27
6. Step 6: Final answer
   x = 974,670,965.61