Finding the Fourth Proportional to 2,553,919,198.72, 3,524,406,935.34 and 1,380,497,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,919,198.72 : 3,524,406,935.34 = 1,380,497,470.72 : x
2. Step 2: Convert to fraction form
   2,553,919,198.72/3,524,406,935.34 = 1,380,497,470.72/x
3. Step 3: Cross multiply
   2,553,919,198.72x = 3,524,406,935.34 × 1,380,497,470.72
4. Step 4: Simplify right side
   2,553,919,198.72x = 4,865,434,860,024,896,512
5. Step 5: Solve for x
   x = 4,865,434,860,024,896,512/2,553,919,198.72
6. Step 6: Final answer
   x = 1,905,085,666.95