Finding the Fourth Proportional to 2,665,682.47, 3,674,815.68 and 1,900,407.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,682.47 : 3,674,815.68 = 1,900,407.43 : x
2. Step 2: Convert to fraction form
   2,665,682.47/3,674,815.68 = 1,900,407.43/x
3. Step 3: Cross multiply
   2,665,682.47x = 3,674,815.68 × 1,900,407.43
4. Step 4: Simplify right side
   2,665,682.47x = 6,983,647,022,152.50
5. Step 5: Solve for x
   x = 6,983,647,022,152.50/2,665,682.47
6. Step 6: Final answer
   x = 2,619,834.55