Finding the Fourth Proportional to 4,090,697.76, 5,645,355.12 and 2,279,874.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,090,697.76 : 5,645,355.12 = 2,279,874.72 : x
2. Step 2: Convert to fraction form
   4,090,697.76/5,645,355.12 = 2,279,874.72/x
3. Step 3: Cross multiply
   4,090,697.76x = 5,645,355.12 × 2,279,874.72
4. Step 4: Simplify right side
   4,090,697.76x = 12,870,702,423,510.57
5. Step 5: Solve for x
   x = 12,870,702,423,510.57/4,090,697.76
6. Step 6: Final answer
   x = 3,146,334.24