Finding the Fourth Proportional to 3,451,019.31, 4,759,298.78 and 2,161,972.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,019.31 : 4,759,298.78 = 2,161,972.35 : x
2. Step 2: Convert to fraction form
   3,451,019.31/4,759,298.78 = 2,161,972.35/x
3. Step 3: Cross multiply
   3,451,019.31x = 4,759,298.78 × 2,161,972.35
4. Step 4: Simplify right side
   3,451,019.31x = 10,289,472,356,938.87
5. Step 5: Solve for x
   x = 10,289,472,356,938.87/3,451,019.31
6. Step 6: Final answer
   x = 2,981,574.84