Finding the Fourth Proportional to 1,286,005.29, 1,928,613.94 and 889,196.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,005.29 : 1,928,613.94 = 889,196.01 : x
2. Step 2: Convert to fraction form
   1,286,005.29/1,928,613.94 = 889,196.01/x
3. Step 3: Cross multiply
   1,286,005.29x = 1,928,613.94 × 889,196.01
4. Step 4: Simplify right side
   1,286,005.29x = 1,714,915,820,278.38
5. Step 5: Solve for x
   x = 1,714,915,820,278.38/1,286,005.29
6. Step 6: Final answer
   x = 1,333,521.59