Finding the Fourth Proportional to 1,142,380.82, 1,713,856.22 and 806,078.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,380.82 : 1,713,856.22 = 806,078.99 : x
2. Step 2: Convert to fraction form
   1,142,380.82/1,713,856.22 = 806,078.99/x
3. Step 3: Cross multiply
   1,142,380.82x = 1,713,856.22 × 806,078.99
4. Step 4: Simplify right side
   1,142,380.82x = 1,381,503,494,099.86
5. Step 5: Solve for x
   x = 1,381,503,494,099.86/1,142,380.82
6. Step 6: Final answer
   x = 1,209,319.58