Finding the Fourth Proportional to 12,496,290.69, 17,237,940.99 and 7,268,710.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,496,290.69 : 17,237,940.99 = 7,268,710.42 : x
2. Step 2: Convert to fraction form
   12,496,290.69/17,237,940.99 = 7,268,710.42/x
3. Step 3: Cross multiply
   12,496,290.69x = 17,237,940.99 × 7,268,710.42
4. Step 4: Simplify right side
   12,496,290.69x = 125,297,601,190,684.45
5. Step 5: Solve for x
   x = 125,297,601,190,684.45/12,496,290.69
6. Step 6: Final answer
   x = 10,026,783.49