Finding the Fourth Proportional to 2,809,691, 3,877,380.48 and 1,520,540.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809,691 : 3,877,380.48 = 1,520,540.78 : x
2. Step 2: Convert to fraction form
   2,809,691/3,877,380.48 = 1,520,540.78/x
3. Step 3: Cross multiply
   2,809,691x = 3,877,380.48 × 1,520,540.78
4. Step 4: Simplify right side
   2,809,691x = 5,895,715,139,415.98
5. Step 5: Solve for x
   x = 5,895,715,139,415.98/2,809,691
6. Step 6: Final answer
   x = 2,098,350.01