Finding the Fourth Proportional to 16,928,051.49, 25,388,682.32 and 8,288,429.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,928,051.49 : 25,388,682.32 = 8,288,429.49 : x
2. Step 2: Convert to fraction form
   16,928,051.49/25,388,682.32 = 8,288,429.49/x
3. Step 3: Cross multiply
   16,928,051.49x = 25,388,682.32 × 8,288,429.49
4. Step 4: Simplify right side
   16,928,051.49x = 210,432,303,274,050.72
5. Step 5: Solve for x
   x = 210,432,303,274,050.72/16,928,051.49
6. Step 6: Final answer
   x = 12,430,981.99