Finding the Fourth Proportional to 1,431,974.63, 1,976,175.83 and 787,443.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,974.63 : 1,976,175.83 = 787,443.86 : x
2. Step 2: Convert to fraction form
   1,431,974.63/1,976,175.83 = 787,443.86/x
3. Step 3: Cross multiply
   1,431,974.63x = 1,976,175.83 × 787,443.86
4. Step 4: Simplify right side
   1,431,974.63x = 1,556,127,530,522.95
5. Step 5: Solve for x
   x = 1,556,127,530,522.95/1,431,974.63
6. Step 6: Final answer
   x = 1,086,700.49