Finding the Fourth Proportional to 2,112,400.94, 2,915,113.98 and 1,145,530.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,400.94 : 2,915,113.98 = 1,145,530.94 : x
2. Step 2: Convert to fraction form
   2,112,400.94/2,915,113.98 = 1,145,530.94/x
3. Step 3: Cross multiply
   2,112,400.94x = 2,915,113.98 × 1,145,530.94
4. Step 4: Simplify right side
   2,112,400.94x = 3,339,353,257,716.54
5. Step 5: Solve for x
   x = 3,339,353,257,716.54/2,112,400.94
6. Step 6: Final answer
   x = 1,580,833.07