Finding the Fourth Proportional to 2,112,389.92, 2,915,098.77 and 1,145,519.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,389.92 : 2,915,098.77 = 1,145,519.92 : x
2. Step 2: Convert to fraction form
   2,112,389.92/2,915,098.77 = 1,145,519.92/x
3. Step 3: Cross multiply
   2,112,389.92x = 2,915,098.77 × 1,145,519.92
4. Step 4: Simplify right side
   2,112,389.92x = 3,339,303,709,802.50
5. Step 5: Solve for x
   x = 3,339,303,709,802.50/2,112,389.92
6. Step 6: Final answer
   x = 1,580,817.86