Finding the Fourth Proportional to 2,010,096.09, 3,015,214.94 and 643,911.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,096.09 : 3,015,214.94 = 643,911.34 : x
2. Step 2: Convert to fraction form
   2,010,096.09/3,015,214.94 = 643,911.34/x
3. Step 3: Cross multiply
   2,010,096.09x = 3,015,214.94 × 643,911.34
4. Step 4: Simplify right side
   2,010,096.09x = 1,941,531,092,403.42
5. Step 5: Solve for x
   x = 1,941,531,092,403.42/2,010,096.09
6. Step 6: Final answer
   x = 965,889.69