Finding the Fourth Proportional to 12,562,931.14, 17,332,429.86 and 8,214,562.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,562,931.14 : 17,332,429.86 = 8,214,562.78 : x
2. Step 2: Convert to fraction form
   12,562,931.14/17,332,429.86 = 8,214,562.78/x
3. Step 3: Cross multiply
   12,562,931.14x = 17,332,429.86 × 8,214,562.78
4. Step 4: Simplify right side
   12,562,931.14x = 142,378,333,214,916.62
5. Step 5: Solve for x
   x = 142,378,333,214,916.62/12,562,931.14
6. Step 6: Final answer
   x = 11,333,209.71