Finding the Fourth Proportional to 12,388,654.86, 17,096,828.53 and 8,476,616.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388,654.86 : 17,096,828.53 = 8,476,616.16 : x
2. Step 2: Convert to fraction form
   12,388,654.86/17,096,828.53 = 8,476,616.16/x
3. Step 3: Cross multiply
   12,388,654.86x = 17,096,828.53 × 8,476,616.16
4. Step 4: Simplify right side
   12,388,654.86x = 144,923,252,972,600.56
5. Step 5: Solve for x
   x = 144,923,252,972,600.56/12,388,654.86
6. Step 6: Final answer
   x = 11,698,062.03