Finding the Fourth Proportional to 12,296,643.30, 18,429,218.55 and 9,442,608.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,296,643.30 : 18,429,218.55 = 9,442,608.30 : x
2. Step 2: Convert to fraction form
   12,296,643.30/18,429,218.55 = 9,442,608.30/x
3. Step 3: Cross multiply
   12,296,643.30x = 18,429,218.55 × 9,442,608.30
4. Step 4: Simplify right side
   12,296,643.30x = 174,019,892,042,744
5. Step 5: Solve for x
   x = 174,019,892,042,744/12,296,643.30
6. Step 6: Final answer
   x = 14,151,820.77