Finding the Fourth Proportional to 1,603,131.20, 2,212,321.83 and 878,024.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603,131.20 : 2,212,321.83 = 878,024.52 : x
2. Step 2: Convert to fraction form
   1,603,131.20/2,212,321.83 = 878,024.52/x
3. Step 3: Cross multiply
   1,603,131.20x = 2,212,321.83 × 878,024.52
4. Step 4: Simplify right side
   1,603,131.20x = 1,942,472,812,871.27
5. Step 5: Solve for x
   x = 1,942,472,812,871.27/1,603,131.20
6. Step 6: Final answer
   x = 1,211,674.27