Finding the Fourth Proportional to 8,188,864.96, 12,282,854.28 and 2,509,105.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,188,864.96 : 12,282,854.28 = 2,509,105.72 : x
2. Step 2: Convert to fraction form
   8,188,864.96/12,282,854.28 = 2,509,105.72/x
3. Step 3: Cross multiply
   8,188,864.96x = 12,282,854.28 × 2,509,105.72
4. Step 4: Simplify right side
   8,188,864.96x = 30,818,979,931,874.48
5. Step 5: Solve for x
   x = 30,818,979,931,874.48/8,188,864.96
6. Step 6: Final answer
   x = 3,763,522.79