Finding the Fourth Proportional to 2,276,057.18, 3,140,922.25 and 1,243,542.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276,057.18 : 3,140,922.25 = 1,243,542.78 : x
2. Step 2: Convert to fraction form
   2,276,057.18/3,140,922.25 = 1,243,542.78/x
3. Step 3: Cross multiply
   2,276,057.18x = 3,140,922.25 × 1,243,542.78
4. Step 4: Simplify right side
   2,276,057.18x = 3,905,871,186,977.59
5. Step 5: Solve for x
   x = 3,905,871,186,977.59/2,276,057.18
6. Step 6: Final answer
   x = 1,716,069.01