Finding the Fourth Proportional to 1,665,800, 2,298,627.60 and 940,603.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,800 : 2,298,627.60 = 940,603.76 : x
2. Step 2: Convert to fraction form
   1,665,800/2,298,627.60 = 940,603.76/x
3. Step 3: Cross multiply
   1,665,800x = 2,298,627.60 × 940,603.76
4. Step 4: Simplify right side
   1,665,800x = 2,162,097,763,399.78
5. Step 5: Solve for x
   x = 2,162,097,763,399.78/1,665,800
6. Step 6: Final answer
   x = 1,297,933.58