Finding the Fourth Proportional to 9,636,243.98, 13,298,399.37 and 5,285,489.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636,243.98 : 13,298,399.37 = 5,285,489.34 : x
2. Step 2: Convert to fraction form
   9,636,243.98/13,298,399.37 = 5,285,489.34/x
3. Step 3: Cross multiply
   9,636,243.98x = 13,298,399.37 × 5,285,489.34
4. Step 4: Simplify right side
   9,636,243.98x = 70,288,548,109,197.71
5. Step 5: Solve for x
   x = 70,288,548,109,197.71/9,636,243.98
6. Step 6: Final answer
   x = 7,294,185.19