Finding the Fourth Proportional to 2,010,094.59, 3,015,212.69 and 643,909.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,094.59 : 3,015,212.69 = 643,909.84 : x
2. Step 2: Convert to fraction form
   2,010,094.59/3,015,212.69 = 643,909.84/x
3. Step 3: Cross multiply
   2,010,094.59x = 3,015,212.69 × 643,909.84
4. Step 4: Simplify right side
   2,010,094.59x = 1,941,525,120,783.87
5. Step 5: Solve for x
   x = 1,941,525,120,783.87/2,010,094.59
6. Step 6: Final answer
   x = 965,887.44