Finding the Fourth Proportional to 7,171,105.34, 9,895,874 and 3,907,853.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,171,105.34 : 9,895,874 = 3,907,853.48 : x
2. Step 2: Convert to fraction form
   7,171,105.34/9,895,874 = 3,907,853.48/x
3. Step 3: Cross multiply
   7,171,105.34x = 9,895,874 × 3,907,853.48
4. Step 4: Simplify right side
   7,171,105.34x = 38,671,625,648,541.52
5. Step 5: Solve for x
   x = 38,671,625,648,541.52/7,171,105.34
6. Step 6: Final answer
   x = 5,392,700.82