Finding the Fourth Proportional to 2,275,123.12, 3,139,650.66 and 1,256,506

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275,123.12 : 3,139,650.66 = 1,256,506 : x
2. Step 2: Convert to fraction form
   2,275,123.12/3,139,650.66 = 1,256,506/x
3. Step 3: Cross multiply
   2,275,123.12x = 3,139,650.66 × 1,256,506
4. Step 4: Simplify right side
   2,275,123.12x = 3,944,989,892,193.96
5. Step 5: Solve for x
   x = 3,944,989,892,193.96/2,275,123.12
6. Step 6: Final answer
   x = 1,733,967.65