Finding the Fourth Proportional to 12,263,200.89, 18,404,249.18 and 9,872,901.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,263,200.89 : 18,404,249.18 = 9,872,901.69 : x
2. Step 2: Convert to fraction form
   12,263,200.89/18,404,249.18 = 9,872,901.69/x
3. Step 3: Cross multiply
   12,263,200.89x = 18,404,249.18 × 9,872,901.69
4. Step 4: Simplify right side
   12,263,200.89x = 181,703,342,783,038.59
5. Step 5: Solve for x
   x = 181,703,342,783,038.59/12,263,200.89
6. Step 6: Final answer
   x = 14,816,958.84