Finding the Fourth Proportional to 1,656,414.72, 2,286,008.64 and 931,443.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656,414.72 : 2,286,008.64 = 931,443.84 : x
2. Step 2: Convert to fraction form
   1,656,414.72/2,286,008.64 = 931,443.84/x
3. Step 3: Cross multiply
   1,656,414.72x = 2,286,008.64 × 931,443.84
4. Step 4: Simplify right side
   1,656,414.72x = 2,129,288,665,914.78
5. Step 5: Solve for x
   x = 2,129,288,665,914.78/1,656,414.72
6. Step 6: Final answer
   x = 1,285,480.41