Finding the Fourth Proportional to 11,321,439.12, 17,057,780.15 and 10,243,333.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,321,439.12 : 17,057,780.15 = 10,243,333.71 : x
2. Step 2: Convert to fraction form
   11,321,439.12/17,057,780.15 = 10,243,333.71/x
3. Step 3: Cross multiply
   11,321,439.12x = 17,057,780.15 × 10,243,333.71
4. Step 4: Simplify right side
   11,321,439.12x = 174,728,534,377,047.19
5. Step 5: Solve for x
   x = 174,728,534,377,047.19/11,321,439.12
6. Step 6: Final answer
   x = 15,433,420.83