Finding the Fourth Proportional to 3,940,222.86, 5,910,669.57 and 1,243,826.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940,222.86 : 5,910,669.57 = 1,243,826.70 : x
2. Step 2: Convert to fraction form
   3,940,222.86/5,910,669.57 = 1,243,826.70/x
3. Step 3: Cross multiply
   3,940,222.86x = 5,910,669.57 × 1,243,826.70
4. Step 4: Simplify right side
   3,940,222.86x = 7,351,848,626,043.52
5. Step 5: Solve for x
   x = 7,351,848,626,043.52/3,940,222.86
6. Step 6: Final answer
   x = 1,865,845.89