Finding the Fourth Proportional to 11,880,942.28, 16,332,667.94 and 10,221,031.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,880,942.28 : 16,332,667.94 = 10,221,031.96 : x
2. Step 2: Convert to fraction form
   11,880,942.28/16,332,667.94 = 10,221,031.96/x
3. Step 3: Cross multiply
   11,880,942.28x = 16,332,667.94 × 10,221,031.96
4. Step 4: Simplify right side
   11,880,942.28x = 166,936,721,006,807.38
5. Step 5: Solve for x
   x = 166,936,721,006,807.38/11,880,942.28
6. Step 6: Final answer
   x = 14,050,798.08