Finding the Fourth Proportional to 2,139,998.46, 3,210,417.27 and 792,171.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,998.46 : 3,210,417.27 = 792,171.42 : x
2. Step 2: Convert to fraction form
   2,139,998.46/3,210,417.27 = 792,171.42/x
3. Step 3: Cross multiply
   2,139,998.46x = 3,210,417.27 × 792,171.42
4. Step 4: Simplify right side
   2,139,998.46x = 2,543,200,807,568.42
5. Step 5: Solve for x
   x = 2,543,200,807,568.42/2,139,998.46
6. Step 6: Final answer
   x = 1,188,412.45