Finding the Fourth Proportional to 2,670,188.67, 4,005,664.71 and 823,856.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670,188.67 : 4,005,664.71 = 823,856.97 : x
2. Step 2: Convert to fraction form
   2,670,188.67/4,005,664.71 = 823,856.97/x
3. Step 3: Cross multiply
   2,670,188.67x = 4,005,664.71 × 823,856.97
4. Step 4: Simplify right side
   2,670,188.67x = 3,300,094,790,816.53
5. Step 5: Solve for x
   x = 3,300,094,790,816.53/2,670,188.67
6. Step 6: Final answer
   x = 1,235,903.23