Finding the Fourth Proportional to 10,503,239,810.56, 14,494,816,656.78 and 5,745,406,805.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503,239,810.56 : 14,494,816,656.78 = 5,745,406,805.28 : x
2. Step 2: Convert to fraction form
   10,503,239,810.56/14,494,816,656.78 = 5,745,406,805.28/x
3. Step 3: Cross multiply
   10,503,239,810.56x = 14,494,816,656.78 × 5,745,406,805.28
4. Step 4: Simplify right side
   10,503,239,810.56x = 83,278,618,261,149,712,384
5. Step 5: Solve for x
   x = 83,278,618,261,149,712,384/10,503,239,810.56
6. Step 6: Final answer
   x = 7,928,850,503.58