Finding the Fourth Proportional to 7,117,018.72, 9,821,532.81 and 3,853,833.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,117,018.72 : 9,821,532.81 = 3,853,833.34 : x
2. Step 2: Convert to fraction form
   7,117,018.72/9,821,532.81 = 3,853,833.34/x
3. Step 3: Cross multiply
   7,117,018.72x = 9,821,532.81 × 3,853,833.34
4. Step 4: Simplify right side
   7,117,018.72x = 37,850,550,593,081.88
5. Step 5: Solve for x
   x = 37,850,550,593,081.88/7,117,018.72
6. Step 6: Final answer
   x = 5,318,315.45