Finding the Fourth Proportional to 7,307,993,973.82, 10,085,039,147.70 and 3,966,492,945.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,307,993,973.82 : 10,085,039,147.70 = 3,966,492,945.10 : x
2. Step 2: Convert to fraction form
   7,307,993,973.82/10,085,039,147.70 = 3,966,492,945.10/x
3. Step 3: Cross multiply
   7,307,993,973.82x = 10,085,039,147.70 × 3,966,492,945.10
4. Step 4: Simplify right side
   7,307,993,973.82x = 40,002,236,630,409,371,648
5. Step 5: Solve for x
   x = 40,002,236,630,409,371,648/7,307,993,973.82
6. Step 6: Final answer
   x = 5,473,764,315.31