Finding the Fourth Proportional to 9,709,971.29, 13,399,694.37 and 5,359,057.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,709,971.29 : 13,399,694.37 = 5,359,057.47 : x
2. Step 2: Convert to fraction form
   9,709,971.29/13,399,694.37 = 5,359,057.47/x
3. Step 3: Cross multiply
   9,709,971.29x = 13,399,694.37 × 5,359,057.47
4. Step 4: Simplify right side
   9,709,971.29x = 71,809,732,182,470.16
5. Step 5: Solve for x
   x = 71,809,732,182,470.16/9,709,971.29
6. Step 6: Final answer
   x = 7,395,462.87