Finding the Fourth Proportional to 8,747,618,409, 13,123,968,713.91 and 3,151,449,019.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747,618,409 : 13,123,968,713.91 = 3,151,449,019.62 : x
2. Step 2: Convert to fraction form
   8,747,618,409/13,123,968,713.91 = 3,151,449,019.62/x
3. Step 3: Cross multiply
   8,747,618,409x = 13,123,968,713.91 × 3,151,449,019.62
4. Step 4: Simplify right side
   8,747,618,409x = 41,359,518,336,975,216,640
5. Step 5: Solve for x
   x = 41,359,518,336,975,216,640/8,747,618,409
6. Step 6: Final answer
   x = 4,728,088,995.56