Finding the Fourth Proportional to 11,010,188.28, 15,187,931.83 and 10,230,807.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,010,188.28 : 15,187,931.83 = 10,230,807.09 : x
2. Step 2: Convert to fraction form
   11,010,188.28/15,187,931.83 = 10,230,807.09/x
3. Step 3: Cross multiply
   11,010,188.28x = 15,187,931.83 × 10,230,807.09
4. Step 4: Simplify right side
   11,010,188.28x = 155,384,800,648,800.69
5. Step 5: Solve for x
   x = 155,384,800,648,800.69/11,010,188.28
6. Step 6: Final answer
   x = 14,112,819.57