Finding the Fourth Proportional to 2,112,394.63, 2,915,105.31 and 1,145,524.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,394.63 : 2,915,105.31 = 1,145,524.67 : x
2. Step 2: Convert to fraction form
   2,112,394.63/2,915,105.31 = 1,145,524.67/x
3. Step 3: Cross multiply
   2,112,394.63x = 2,915,105.31 × 1,145,524.67
4. Step 4: Simplify right side
   2,112,394.63x = 3,339,325,027,949.85
5. Step 5: Solve for x
   x = 3,339,325,027,949.85/2,112,394.63
6. Step 6: Final answer
   x = 1,580,824.43