Finding the Fourth Proportional to 1,665,118.24, 2,297,326.72 and 1,019,865.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,118.24 : 2,297,326.72 = 1,019,865.76 : x
2. Step 2: Convert to fraction form
   1,665,118.24/2,297,326.72 = 1,019,865.76/x
3. Step 3: Cross multiply
   1,665,118.24x = 2,297,326.72 × 1,019,865.76
4. Step 4: Simplify right side
   1,665,118.24x = 2,342,964,861,261.11
5. Step 5: Solve for x
   x = 2,342,964,861,261.11/1,665,118.24
6. Step 6: Final answer
   x = 1,407,086.18