Finding the Fourth Proportional to 12,566,622, 17,343,345.90 and 7,607,796.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,566,622 : 17,343,345.90 = 7,607,796.60 : x
2. Step 2: Convert to fraction form
   12,566,622/17,343,345.90 = 7,607,796.60/x
3. Step 3: Cross multiply
   12,566,622x = 17,343,345.90 × 7,607,796.60
4. Step 4: Simplify right side
   12,566,622x = 131,944,647,970,643.92
5. Step 5: Solve for x
   x = 131,944,647,970,643.92/12,566,622
6. Step 6: Final answer
   x = 10,499,611.43