Finding the Fourth Proportional to 1,094,814.72, 1,510,786.56 and 617,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094,814.72 : 1,510,786.56 = 617,856 : x
2. Step 2: Convert to fraction form
   1,094,814.72/1,510,786.56 = 617,856/x
3. Step 3: Cross multiply
   1,094,814.72x = 1,510,786.56 × 617,856
4. Step 4: Simplify right side
   1,094,814.72x = 933,448,540,815.36
5. Step 5: Solve for x
   x = 933,448,540,815.36/1,094,814.72
6. Step 6: Final answer
   x = 852,608.69