Finding the Fourth Proportional to 17,815,589,861.99, 24,585,530,123.25 and 9,787,450,465.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,815,589,861.99 : 24,585,530,123.25 = 9,787,450,465.06 : x
2. Step 2: Convert to fraction form
   17,815,589,861.99/24,585,530,123.25 = 9,787,450,465.06/x
3. Step 3: Cross multiply
   17,815,589,861.99x = 24,585,530,123.25 × 9,787,450,465.06
4. Step 4: Simplify right side
   17,815,589,861.99x = 240,629,658,238,485,921,792
5. Step 5: Solve for x
   x = 240,629,658,238,485,921,792/17,815,589,861.99
6. Step 6: Final answer
   x = 13,506,690,494.26