Finding the Fourth Proportional to 16,120,268.69, 22,240,128.15 and 9,146,907.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,120,268.69 : 22,240,128.15 = 9,146,907.81 : x
2. Step 2: Convert to fraction form
   16,120,268.69/22,240,128.15 = 9,146,907.81/x
3. Step 3: Cross multiply
   16,120,268.69x = 22,240,128.15 × 9,146,907.81
4. Step 4: Simplify right side
   16,120,268.69x = 203,428,401,870,635.84
5. Step 5: Solve for x
   x = 203,428,401,870,635.84/16,120,268.69
6. Step 6: Final answer
   x = 12,619,417.57