Finding the Fourth Proportional to 698,362,003.69, 1,047,720,939.86 and 207,093,219.37

Step by Step Solution

1. Step 1: Write the proportion equation
   698,362,003.69 : 1,047,720,939.86 = 207,093,219.37 : x
2. Step 2: Convert to fraction form
   698,362,003.69/1,047,720,939.86 = 207,093,219.37/x
3. Step 3: Cross multiply
   698,362,003.69x = 1,047,720,939.86 × 207,093,219.37
4. Step 4: Simplify right side
   698,362,003.69x = 216,975,902,433,314,816
5. Step 5: Solve for x
   x = 216,975,902,433,314,816/698,362,003.69
6. Step 6: Final answer
   x = 310,692,593.94