Finding the Fourth Proportional to 9,336,213,142.11, 12,884,281,441.18 and 5,107,028,248.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,336,213,142.11 : 12,884,281,441.18 = 5,107,028,248.53 : x
2. Step 2: Convert to fraction form
   9,336,213,142.11/12,884,281,441.18 = 5,107,028,248.53/x
3. Step 3: Cross multiply
   9,336,213,142.11x = 12,884,281,441.18 × 5,107,028,248.53
4. Step 4: Simplify right side
   9,336,213,142.11x = 65,800,389,282,101,755,904
5. Step 5: Solve for x
   x = 65,800,389,282,101,755,904/9,336,213,142.11
6. Step 6: Final answer
   x = 7,047,867,082.78