Finding the Fourth Proportional to 1,584,481.28, 2,186,863.71 and 940,256.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,481.28 : 2,186,863.71 = 940,256.69 : x
2. Step 2: Convert to fraction form
   1,584,481.28/2,186,863.71 = 940,256.69/x
3. Step 3: Cross multiply
   1,584,481.28x = 2,186,863.71 × 940,256.69
4. Step 4: Simplify right side
   1,584,481.28x = 2,056,213,233,445.72
5. Step 5: Solve for x
   x = 2,056,213,233,445.72/1,584,481.28
6. Step 6: Final answer
   x = 1,297,720.12