Finding the Fourth Proportional to 12,057,818.69, 18,065,667.15 and 10,048,971.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,057,818.69 : 18,065,667.15 = 10,048,971.71 : x
2. Step 2: Convert to fraction form
   12,057,818.69/18,065,667.15 = 10,048,971.71/x
3. Step 3: Cross multiply
   12,057,818.69x = 18,065,667.15 × 10,048,971.71
4. Step 4: Simplify right side
   12,057,818.69x = 181,541,378,022,297.97
5. Step 5: Solve for x
   x = 181,541,378,022,297.97/12,057,818.69
6. Step 6: Final answer
   x = 15,055,905.45