Finding the Fourth Proportional to 5,107,500.30, 7,048,404.94 and 2,815,743

Step by Step Solution

1. Step 1: Write the proportion equation
   5,107,500.30 : 7,048,404.94 = 2,815,743 : x
2. Step 2: Convert to fraction form
   5,107,500.30/7,048,404.94 = 2,815,743/x
3. Step 3: Cross multiply
   5,107,500.30x = 7,048,404.94 × 2,815,743
4. Step 4: Simplify right side
   5,107,500.30x = 19,846,496,870,970.42
5. Step 5: Solve for x
   x = 19,846,496,870,970.42/5,107,500.30
6. Step 6: Final answer
   x = 3,885,755.40