Finding the Fourth Proportional to 2,109,533,091.72, 3,164,297,975.29 and 635,672,918.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,533,091.72 : 3,164,297,975.29 = 635,672,918.05 : x
2. Step 2: Convert to fraction form
   2,109,533,091.72/3,164,297,975.29 = 635,672,918.05/x
3. Step 3: Cross multiply
   2,109,533,091.72x = 3,164,297,975.29 × 635,672,918.05
4. Step 4: Simplify right side
   2,109,533,091.72x = 2,011,458,527,539,313,664
5. Step 5: Solve for x
   x = 2,011,458,527,539,313,664/2,109,533,091.72
6. Step 6: Final answer
   x = 953,508,876.18